512104613616 has 30 divisors (see below), whose sum is σ = 1433181662120. Its totient is φ = 170701537824.

The previous prime is 512104613611. The next prime is 512104613639. The reversal of 512104613616 is 616316401215.

512104613616 is a `hidden beast` number, since 5 + 1 + 21 + 0 + 4 + 6 + 13 + 616 = 666.

It is a super-2 number, since 2×512104613616² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512104613611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1778140876 + ... + 1778141163.

Almost surely, 2^512104613616 is an apocalyptic number.

It is an amenable number.

512104613616 is an abundant number, since it is smaller than the sum of its proper divisors (921077048504).

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

512104613616 is a wasteful number, since it uses less digits than its factorization.

512104613616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556282053 (or 3556282044 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 512104613616 in words is "five hundred twelve billion, one hundred four million, six hundred thirteen thousand, six hundred sixteen".