165266364 has 24 divisors (see below), whose sum is σ = 388082128. Its totient is φ = 54737280.

The previous prime is 165266327. The next prime is 165266371. The reversal of 165266364 is 463662561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41977 + ... + 45744.

Almost surely, 2^165266364 is an apocalyptic number.

It is an amenable number.

165266364 is an abundant number, since it is smaller than the sum of its proper divisors (222815764).

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

165266364 is a wasteful number, since it uses less digits than its factorization.

165266364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87885 (or 87883 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 165266364 is about 12855.5966022585. The cubic root of 165266364 is about 548.7756389935.

The spelling of 165266364 in words is "one hundred sixty-five million, two hundred sixty-six thousand, three hundred sixty-four".