165213132412630 has 64 divisors (see below), whose sum is σ = 305183321593920. Its totient is φ = 64357875302400.

The previous prime is 165213132412621. The next prime is 165213132412663. The reversal of 165213132412630 is 36214231312561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516646390 + ... + 516966070.

It is an arithmetic number, because the mean of its divisors is an integer number (4768489399905).

Almost surely, 2^{165213132412630} is an apocalyptic number.

165213132412630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165213132412630 is a deficient number, since it is larger than the sum of its proper divisors (139970189181290).

165213132412630 is a wasteful number, since it uses less digits than its factorization.

165213132412630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321985.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 165213132412630 in words is "one hundred sixty-five trillion, two hundred thirteen billion, one hundred thirty-two million, four hundred twelve thousand, six hundred thirty".