516353255646 has 32 divisors (see below), whose sum is σ = 1045240616448. Its totient is φ = 170029099200.

The previous prime is 516353255611. The next prime is 516353255651. The reversal of 516353255646 is 646552353615.

516353255646 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 6597946 + ... + 6675746.

It is an arithmetic number, because the mean of its divisors is an integer number (32663769264).

Almost surely, 2^516353255646 is an apocalyptic number.

516353255646 is an abundant number, since it is smaller than the sum of its proper divisors (528887360802).

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

516353255646 is a wasteful number, since it uses less digits than its factorization.

516353255646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91216.

The product of its digits is 9720000, while the sum is 51.

The spelling of 516353255646 in words is "five hundred sixteen billion, three hundred fifty-three million, two hundred fifty-five thousand, six hundred forty-six".