516961157444 has 24 divisors (see below), whose sum is σ = 920425279200. Its totient is φ = 253986408000.

The previous prime is 516961157423. The next prime is 516961157507. The reversal of 516961157444 is 444751169615.

It is a super-2 number, since 2×516961157444² (a number of 24 digits) contains 22 as substring.

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, 44672 + ... + 1017800.

It is an arithmetic number, because the mean of its divisors is an integer number (38351053300).

Almost surely, 2^516961157444 is an apocalyptic number.

It is an amenable number.

516961157444 is a deficient number, since it is larger than the sum of its proper divisors (403464121756).

516961157444 is a wasteful number, since it uses less digits than its factorization.

516961157444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975443 (or 975441 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 53.

The spelling of 516961157444 in words is "five hundred sixteen billion, nine hundred sixty-one million, one hundred fifty-seven thousand, four hundred forty-four".