516221870926 has 64 divisors (see below), whose sum is σ = 829187251200. Its totient is φ = 240337622016.

The previous prime is 516221870897. The next prime is 516221871007. The reversal of 516221870926 is 629078122615.

It is a self number, because there is not a number n which added to its sum of digits gives 516221870926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425573896 + ... + 425575108.

It is an arithmetic number, because the mean of its divisors is an integer number (12956050800).

Almost surely, 2^516221870926 is an apocalyptic number.

516221870926 is a deficient number, since it is larger than the sum of its proper divisors (312965380274).

516221870926 is a wasteful number, since it uses less digits than its factorization.

516221870926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 516221870926 in words is "five hundred sixteen billion, two hundred twenty-one million, eight hundred seventy thousand, nine hundred twenty-six".