516216646352 has 20 divisors (see below), whose sum is σ = 1091094275616. Its totient is φ = 234643930080.

The previous prime is 516216646349. The next prime is 516216646367. The reversal of 516216646352 is 253646612615.

It is a junction number, because it is equal to n+sod(n) for n = 516216646297 and 516216646306.

It is a congruent number.

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, 1466524388 + ... + 1466524739.

Almost surely, 2^516216646352 is an apocalyptic number.

It is an amenable number.

516216646352 is an abundant number, since it is smaller than the sum of its proper divisors (574877629264).

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

516216646352 is a wasteful number, since it uses less digits than its factorization.

516216646352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933049146 (or 2933049140 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 516216646352 in words is "five hundred sixteen billion, two hundred sixteen million, six hundred forty-six thousand, three hundred fifty-two".