516772644 has 24 divisors (see below), whose sum is σ = 1206243360. Its totient is φ = 172194624.

The previous prime is 516772601. The next prime is 516772679. The reversal of 516772644 is 446277615.

It is a junction number, because it is equal to n+sod(n) for n = 516772596 and 516772605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36247 + ... + 48449.

It is an arithmetic number, because the mean of its divisors is an integer number (50260140).

Almost surely, 2^516772644 is an apocalyptic number.

It is an amenable number.

516772644 is an abundant number, since it is smaller than the sum of its proper divisors (689470716).

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

516772644 is a wasteful number, since it uses less digits than its factorization.

516772644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739 (or 15737 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 516772644 is about 22732.6338993087. The cubic root of 516772644 is about 802.4780681305.

The spelling of 516772644 in words is "five hundred sixteen million, seven hundred seventy-two thousand, six hundred forty-four".