165804268 has 24 divisors (see below), whose sum is σ = 332381952. Its totient is φ = 70893264.

The previous prime is 165804239. The next prime is 165804269. The reversal of 165804268 is 862408561.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 165804268.

It is not an unprimeable number, because it can be changed into a prime (165804269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5721 + ... + 19087.

It is an arithmetic number, because the mean of its divisors is an integer number (13849248).

Almost surely, 2^165804268 is an apocalyptic number.

It is an amenable number.

165804268 is an abundant number, since it is smaller than the sum of its proper divisors (166577684).

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

165804268 is a wasteful number, since it uses less digits than its factorization.

165804268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13821 (or 13819 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 165804268 is about 12876.5006115792. The cubic root of 165804268 is about 549.3703737094.

The spelling of 165804268 in words is "one hundred sixty-five million, eight hundred four thousand, two hundred sixty-eight".