515966614164 has 36 divisors (see below), whose sum is σ = 1314205052160. Its totient is φ = 170675977680.

The previous prime is 515966614157. The next prime is 515966614187. The reversal of 515966614164 is 461416669515.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 515966614164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54699124 + ... + 54708555.

Almost surely, 2^515966614164 is an apocalyptic number.

It is an amenable number.

515966614164 is an abundant number, since it is smaller than the sum of its proper divisors (798238437996).

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

515966614164 is a wasteful number, since it uses less digits than its factorization.

515966614164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109407820 (or 109407815 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 515966614164 in words is "five hundred fifteen billion, nine hundred sixty-six million, six hundred fourteen thousand, one hundred sixty-four".