516853720172 has 12 divisors (see below), whose sum is σ = 904543261776. Its totient is φ = 258412788240.

The previous prime is 516853720139. The next prime is 516853720189. The reversal of 516853720172 is 271027358615.

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, 3435104 + ... + 3582407.

It is an arithmetic number, because the mean of its divisors is an integer number (75378605148).

Almost surely, 2^516853720172 is an apocalyptic number.

It is an amenable number.

516853720172 is a deficient number, since it is larger than the sum of its proper divisors (387689541604).

516853720172 is a wasteful number, since it uses less digits than its factorization.

516853720172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035928 (or 7035926 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 516853720172 in words is "five hundred sixteen billion, eight hundred fifty-three million, seven hundred twenty thousand, one hundred seventy-two".