165500536 has 32 divisors (see below), whose sum is σ = 318816000. Its totient is φ = 80504416.

The previous prime is 165500509. The next prime is 165500549. The reversal of 165500536 is 635005561.

It is a junction number, because it is equal to n+sod(n) for n = 165500498 and 165500507.

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, 66075 + ... + 68533.

It is an arithmetic number, because the mean of its divisors is an integer number (9963000).

Almost surely, 2^165500536 is an apocalyptic number.

It is an amenable number.

165500536 is a deficient number, since it is larger than the sum of its proper divisors (153315464).

165500536 is a wasteful number, since it uses less digits than its factorization.

165500536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 165500536 is about 12864.7011624833. The cubic root of 165500536 is about 549.0347101433.

The spelling of 165500536 in words is "one hundred sixty-five million, five hundred thousand, five hundred thirty-six".