516412862178 has 32 divisors (see below), whose sum is σ = 1056909902400. Its totient is φ = 168124083456.

The previous prime is 516412862131. The next prime is 516412862201. The reversal of 516412862178 is 871268214615.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 516412862178.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4924678 + ... + 5028446.

It is an arithmetic number, because the mean of its divisors is an integer number (33028434450).

Almost surely, 2^516412862178 is an apocalyptic number.

516412862178 is an abundant number, since it is smaller than the sum of its proper divisors (540497040222).

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

516412862178 is a wasteful number, since it uses less digits than its factorization.

516412862178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123106.

The product of its digits is 1290240, while the sum is 51.

The spelling of 516412862178 in words is "five hundred sixteen billion, four hundred twelve million, eight hundred sixty-two thousand, one hundred seventy-eight".