165356930 has 32 divisors (see below), whose sum is σ = 306028800. Its totient is φ = 64294272.

The previous prime is 165356923. The next prime is 165356963. The reversal of 165356930 is 39653561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101966 + ... + 103574.

It is an arithmetic number, because the mean of its divisors is an integer number (9563400).

Almost surely, 2^165356930 is an apocalyptic number.

165356930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165356930 is a deficient number, since it is larger than the sum of its proper divisors (140671870).

165356930 is a wasteful number, since it uses less digits than its factorization.

165356930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 165356930 is about 12859.1185545511. The cubic root of 165356930 is about 548.8758637407.

The spelling of 165356930 in words is "one hundred sixty-five million, three hundred fifty-six thousand, nine hundred thirty".