616303555105665 has 64 divisors (see below), whose sum is σ = 1149961307328000. Its totient is φ = 281737015805952.

The previous prime is 616303555105549. The next prime is 616303555105699. The reversal of 616303555105665 is 566501555303616.

It is not a de Polignac number, because 616303555105665 - 2¹² = 616303555101569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1207631389 + ... + 1208141621.

It is an arithmetic number, because the mean of its divisors is an integer number (17968145427000).

Almost surely, 2^{616303555105665} is an apocalyptic number.

It is an amenable number.

616303555105665 is a deficient number, since it is larger than the sum of its proper divisors (533657752222335).

616303555105665 is a wasteful number, since it uses less digits than its factorization.

616303555105665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745031 (or 745017 counting only the distinct ones).

The product of its (nonzero) digits is 36450000, while the sum is 57.

The spelling of 616303555105665 in words is "six hundred sixteen trillion, three hundred three billion, five hundred fifty-five million, one hundred five thousand, six hundred sixty-five".