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66201160 = 2351655029
BaseRepresentation
bin1111110010001…
…0011001001000
311121120100220211
43330202121020
5113421414120
610322530504
71432462204
oct374423110
9147510824
1066201160
1134406a03
121a206a34
131093b6ac
148b13b04
155c2a25a
hex3f22648

66201160 has 16 divisors (see below), whose sum is σ = 148952700. Its totient is φ = 26480448.

The previous prime is 66201143. The next prime is 66201193. The reversal of 66201160 is 6110266.

It can be written as a sum of positive squares in 2 ways, for example, as 66161956 + 39204 = 8134^2 + 198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827475 + ... + 827554.

Almost surely, 266201160 is an apocalyptic number.

It is an amenable number.

66201160 is an abundant number, since it is smaller than the sum of its proper divisors (82751540).

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

66201160 is a wasteful number, since it uses less digits than its factorization.

66201160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655040 (or 1655036 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 66201160 is about 8136.4095275496. The cubic root of 66201160 is about 404.5341592987.

The spelling of 66201160 in words is "sixty-six million, two hundred one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1655029 3310058 6620116 8275145 13240232 16550290 33100580 66201160