516116665623 has 24 divisors (see below), whose sum is σ = 745549434192. Its totient is φ = 317445343488.

The previous prime is 516116665609. The next prime is 516116665657. The reversal of 516116665623 is 326566611615.

It is not a de Polignac number, because 516116665623 - 2²⁵ = 516083111191 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516116660623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716715 + ... + 1243347.

It is an arithmetic number, because the mean of its divisors is an integer number (31064559758).

Almost surely, 2^516116665623 is an apocalyptic number.

516116665623 is a deficient number, since it is larger than the sum of its proper divisors (229432768569).

516116665623 is a wasteful number, since it uses less digits than its factorization.

516116665623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528595 (or 528582 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The spelling of 516116665623 in words is "five hundred sixteen billion, one hundred sixteen million, six hundred sixty-five thousand, six hundred twenty-three".