516107656685000 has 40 divisors (see below), whose sum is σ = 1209240239624670. Its totient is φ = 206443062672000.

The previous prime is 516107656684993. The next prime is 516107656685053. The reversal of 516107656685000 is 586656701615.

It can be written as a sum of positive squares in 5 ways, for example, as 70847606078404 + 445260050606596 = 8417102^2 + 21101186^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×516107656685000² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51610760669 + ... + 51610770668.

Almost surely, 2^{516107656685000} is an apocalyptic number.

516107656685000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

516107656685000 is an abundant number, since it is smaller than the sum of its proper divisors (693132582939670).

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

516107656685000 is a wasteful number, since it uses less digits than its factorization.

516107656685000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103221531363 (or 103221531344 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 516107656685000 in words is "five hundred sixteen trillion, one hundred seven billion, six hundred fifty-six million, six hundred eighty-five thousand".