616427133723 has 6 divisors (see below), whose sum is σ = 890394748724. Its totient is φ = 410951422476.

The previous prime is 616427133661. The next prime is 616427133733. The reversal of 616427133723 is 327331724616.

616427133723 is a `hidden beast` number, since 6 + 1 + 6 + 4 + 271 + 3 + 372 + 3 = 666.

It is not a de Polignac number, because 616427133723 - 2⁸ = 616427133467 is a prime.

It is a super-2 number, since 2×616427133723² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616427133733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34245951865 + ... + 34245951882.

Almost surely, 2^616427133723 is an apocalyptic number.

616427133723 is a deficient number, since it is larger than the sum of its proper divisors (273967615001).

616427133723 is a wasteful number, since it uses less digits than its factorization.

616427133723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68491903753 (or 68491903750 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The spelling of 616427133723 in words is "six hundred sixteen billion, four hundred twenty-seven million, one hundred thirty-three thousand, seven hundred twenty-three".