516261644 has 24 divisors (see below), whose sum is σ = 957322800. Its totient is φ = 242763776.

The previous prime is 516261617. The next prime is 516261653. The reversal of 516261644 is 446162615.

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, 140924 + ... + 144540.

It is an arithmetic number, because the mean of its divisors is an integer number (39888450).

Almost surely, 2^516261644 is an apocalyptic number.

It is an amenable number.

516261644 is a deficient number, since it is larger than the sum of its proper divisors (441061156).

516261644 is a wasteful number, since it uses less digits than its factorization.

516261644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737 (or 5735 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 516261644 is about 22721.3917707521. The cubic root of 516261644 is about 802.2134762552.

The spelling of 516261644 in words is "five hundred sixteen million, two hundred sixty-one thousand, six hundred forty-four".