516900605764 has 9 divisors (see below), whose sum is σ = 904578576447. Its totient is φ = 258449583924.

The previous prime is 516900605747. The next prime is 516900605777. The reversal of 516900605764 is 467506009615.

The square root of 516900605764 is 718958.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1258177 + ... + 1617655.

Almost surely, 2^516900605764 is an apocalyptic number.

516900605764 is the 718958-th square number.

It is an amenable number.

516900605764 is a deficient number, since it is larger than the sum of its proper divisors (387677970683).

516900605764 is an frugal number, since it uses more digits than its factorization.

516900605764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718962 (or 359481 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

Multiplying 516900605764 by its sum of digits (49), we get a square (25328129682436 = 5032706²).

The spelling of 516900605764 in words is "five hundred sixteen billion, nine hundred million, six hundred five thousand, seven hundred sixty-four".