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164966269 = 13127163613
BaseRepresentation
bin10011101010100…
…10111101111101
3102111102011011211
421311102331331
5314212410034
624211444421
74042122136
oct1165227575
9374364154
10164966269
1185134666
12472b6711
132823c0a0
1417ca2c8d
15e738d64
hex9d52f7d

164966269 has 16 divisors (see below), whose sum is σ = 180447232. Its totient is φ = 149905728.

The previous prime is 164966267. The next prime is 164966279. The reversal of 164966269 is 962669461.

It is a cyclic number.

It is not a de Polignac number, because 164966269 - 21 = 164966267 is a prime.

It is a super-2 number, since 2×1649662692 = 54427739815560722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164966267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268807 + ... + 269419.

It is an arithmetic number, because the mean of its divisors is an integer number (11277952).

Almost surely, 2164966269 is an apocalyptic number.

It is an amenable number.

164966269 is a deficient number, since it is larger than the sum of its proper divisors (15480963).

164966269 is a wasteful number, since it uses less digits than its factorization.

164966269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its digits is 839808, while the sum is 49.

The square root of 164966269 is about 12843.9195341609. The cubic root of 164966269 is about 548.4432773406.

The spelling of 164966269 in words is "one hundred sixty-four million, nine hundred sixty-six thousand, two hundred sixty-nine".

Divisors: 1 13 127 163 613 1651 2119 7969 20701 77851 99919 269113 1012063 1298947 12689713 164966269