616321303415623 has 32 divisors (see below), whose sum is σ = 684085762483200. Its totient is φ = 551687548772736.

The previous prime is 616321303415611. The next prime is 616321303415651. The reversal of 616321303415623 is 326514303123616.

It is a cyclic number.

It is not a de Polignac number, because 616321303415623 - 2²⁹ = 616320766544711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616321303415603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5550238540 + ... + 5550349582.

It is an arithmetic number, because the mean of its divisors is an integer number (21377680077600).

Almost surely, 2^{616321303415623} is an apocalyptic number.

616321303415623 is a deficient number, since it is larger than the sum of its proper divisors (67764459067577).

616321303415623 is a wasteful number, since it uses less digits than its factorization.

616321303415623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194551.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 616321303415623 in words is "six hundred sixteen trillion, three hundred twenty-one billion, three hundred three million, four hundred fifteen thousand, six hundred twenty-three".