165330156 has 24 divisors (see below), whose sum is σ = 387278640. Its totient is φ = 54894592.

The previous prime is 165330133. The next prime is 165330199. The reversal of 165330156 is 651033561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23721 + ... + 29888.

It is an arithmetic number, because the mean of its divisors is an integer number (16136610).

Almost surely, 2^165330156 is an apocalyptic number.

It is an amenable number.

165330156 is an abundant number, since it is smaller than the sum of its proper divisors (221948484).

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

165330156 is a wasteful number, since it uses less digits than its factorization.

165330156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53873 (or 53871 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 165330156 is about 12858.0774612692. The cubic root of 165330156 is about 548.8462381391.

The spelling of 165330156 in words is "one hundred sixty-five million, three hundred thirty thousand, one hundred fifty-six".