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66570660150 = 235231137310427
BaseRepresentation
bin111101111111111010…
…111010100100110110
320100211102102220222120
4331333322322210312
52042314042111100
650325424140410
74544453163201
oct757772724466
9210742386876
1066570660150
1126261447305
1210a9a467706
13637bb1b187
1433173ac938
151ae95100a0
hexf7feba936

66570660150 has 96 divisors (see below), whose sum is σ = 170561369088. Its totient is φ = 17165366400.

The previous prime is 66570660133. The next prime is 66570660157. The reversal of 66570660150 is 5106607566.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66570660157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6379237 + ... + 6389663.

It is an arithmetic number, because the mean of its divisors is an integer number (1776680928).

Almost surely, 266570660150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66570660150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85280684544).

66570660150 is an abundant number, since it is smaller than the sum of its proper divisors (103990708938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66570660150 is a wasteful number, since it uses less digits than its factorization.

66570660150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11846 (or 11841 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 66570660150 in words is "sixty-six billion, five hundred seventy million, six hundred sixty thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 75 93 150 155 186 310 465 775 930 1373 1550 2325 2746 4119 4650 6865 8238 10427 13730 20595 20854 31281 34325 41190 42563 52135 62562 68650 85126 102975 104270 127689 156405 205950 212815 255378 260675 312810 323237 425630 521350 638445 646474 782025 969711 1064075 1276890 1564050 1616185 1939422 2128150 3192225 3232370 4848555 6384450 8080925 9697110 14316271 16161850 24242775 28632542 42948813 48485550 71581355 85897626 143162710 214744065 357906775 429488130 443804401 715813550 887608802 1073720325 1331413203 2147440650 2219022005 2662826406 4438044010 6657066015 11095110025 13314132030 22190220050 33285330075 66570660150