616631336152623 has 36 divisors (see below), whose sum is σ = 980289096073560. Its totient is φ = 373232499008160.

The previous prime is 616631336152607. The next prime is 616631336152709. The reversal of 616631336152623 is 326251633136616.

616631336152623 is a `hidden beast` number, since 6 + 1 + 6 + 6 + 3 + 1 + 3 + 3 + 6 + 1 + 5 + 2 + 623 = 666.

It is not a de Polignac number, because 616631336152623 - 2⁴ = 616631336152607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616631336152623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616631336152723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 365417133 + ... + 367100726.

It is an arithmetic number, because the mean of its divisors is an integer number (27230252668710).

Almost surely, 2^{616631336152623} is an apocalyptic number.

616631336152623 is a deficient number, since it is larger than the sum of its proper divisors (363657759920937).

616631336152623 is a wasteful number, since it uses less digits than its factorization.

616631336152623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732518660 (or 732518646 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 54.

The spelling of 616631336152623 in words is "six hundred sixteen trillion, six hundred thirty-one billion, three hundred thirty-six million, one hundred fifty-two thousand, six hundred twenty-three".