516050820808 has 16 divisors (see below), whose sum is σ = 967623341580. Its totient is φ = 258017929728.

The previous prime is 516050820773. The next prime is 516050820847. The reversal of 516050820808 is 808028050615.

It can be written as a sum of positive squares in 2 ways, for example, as 289743205284 + 226307615524 = 538278^2 + 475718^2 .

It is a super-2 number, since 2×516050820808² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636285 + ... + 1198732.

Almost surely, 2^516050820808 is an apocalyptic number.

It is an amenable number.

516050820808 is a deficient number, since it is larger than the sum of its proper divisors (451572520772).

516050820808 is a wasteful number, since it uses less digits than its factorization.

516050820808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870176 (or 1870172 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The spelling of 516050820808 in words is "five hundred sixteen billion, fifty million, eight hundred twenty thousand, eight hundred eight".