165012830 has 16 divisors (see below), whose sum is σ = 300784320. Its totient is φ = 65169312.

The previous prime is 165012803. The next prime is 165012839. The reversal of 165012830 is 38210561.

It is a self number, because there is not a number n which added to its sum of digits gives 165012830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165012839) by changing a digit.

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, 103649 + ... + 105228.

It is an arithmetic number, because the mean of its divisors is an integer number (18799020).

Almost surely, 2^165012830 is an apocalyptic number.

165012830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165012830 is a deficient number, since it is larger than the sum of its proper divisors (135771490).

165012830 is a wasteful number, since it uses less digits than its factorization.

165012830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208963.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 165012830 is about 12845.7319760300. The cubic root of 165012830 is about 548.4948710502.

The spelling of 165012830 in words is "one hundred sixty-five million, twelve thousand, eight hundred thirty".