165959004 has 12 divisors (see below), whose sum is σ = 387237704. Its totient is φ = 55319664.

The previous prime is 165958999. The next prime is 165959011. The reversal of 165959004 is 400959561.

165959004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×165959004³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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, 6914947 + ... + 6914970.

Almost surely, 2^165959004 is an apocalyptic number.

It is an amenable number.

165959004 is an abundant number, since it is smaller than the sum of its proper divisors (221278700).

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

165959004 is a wasteful number, since it uses less digits than its factorization.

165959004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829924 (or 13829922 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 165959004 is about 12882.5076751384. The cubic root of 165959004 is about 549.5412196204.

The spelling of 165959004 in words is "one hundred sixty-five million, nine hundred fifty-nine thousand, four".