165124564 has 12 divisors (see below), whose sum is σ = 315237888. Its totient is φ = 75056600.

The previous prime is 165124559. The next prime is 165124571. The reversal of 165124564 is 465421561.

It is a super-2 number, since 2×165124564² = 54532243272380192, which contains 22 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, 1876372 + ... + 1876459.

It is an arithmetic number, because the mean of its divisors is an integer number (26269824).

Almost surely, 2^165124564 is an apocalyptic number.

It is an amenable number.

165124564 is a deficient number, since it is larger than the sum of its proper divisors (150113324).

165124564 is a wasteful number, since it uses less digits than its factorization.

165124564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752846 (or 3752844 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 165124564 is about 12850.0803110331. The cubic root of 165124564 is about 548.6186426351.

The spelling of 165124564 in words is "one hundred sixty-five million, one hundred twenty-four thousand, five hundred sixty-four".