516513044655 has 112 divisors (see below), whose sum is σ = 937179646560. Its totient is φ = 273145872384.

The previous prime is 516513044651. The next prime is 516513044659. The reversal of 516513044655 is 556440315615.

516513044655 is a `hidden beast` number, since 51 + 6 + 5 + 130 + 4 + 465 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (516513044651) and next prime (516513044659).

It is not a de Polignac number, because 516513044655 - 2² = 516513044651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 516513044655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516513044651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 366580591 + ... + 366581999.

Almost surely, 2^516513044655 is an apocalyptic number.

516513044655 is a deficient number, since it is larger than the sum of its proper divisors (420666601905).

516513044655 is a wasteful number, since it uses less digits than its factorization.

516513044655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212 (or 2197 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 516513044655 in words is "five hundred sixteen billion, five hundred thirteen million, forty-four thousand, six hundred fifty-five".