513161632155 has 32 divisors (see below), whose sum is σ = 854996060160. Its totient is φ = 262498723200.

The previous prime is 513161632133. The next prime is 513161632163. The reversal of 513161632155 is 551236161315.

It is not a de Polignac number, because 513161632155 - 2¹⁹ = 513161107867 is a prime.

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, 3840547 + ... + 3971916.

It is an arithmetic number, because the mean of its divisors is an integer number (26718626880).

Almost surely, 2^513161632155 is an apocalyptic number.

513161632155 is a deficient number, since it is larger than the sum of its proper divisors (341834428005).

513161632155 is a wasteful number, since it uses less digits than its factorization.

513161632155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812651.

The product of its digits is 81000, while the sum is 39.

The spelling of 513161632155 in words is "five hundred thirteen billion, one hundred sixty-one million, six hundred thirty-two thousand, one hundred fifty-five".