616982671161 has 16 divisors (see below), whose sum is σ = 914467969600. Its totient is φ = 411132975264.

The previous prime is 616982671157. The next prime is 616982671177. The reversal of 616982671161 is 161176289616.

616982671161 is a `hidden beast` number, since 616 + 9 + 8 + 2 + 6 + 7 + 1 + 16 + 1 = 666.

It is not a de Polignac number, because 616982671161 - 2² = 616982671157 is a prime.

It is a super-2 number, since 2×616982671161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616982671098 and 616982671107.

It is not an unprimeable number, because it can be changed into a prime (616982675161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5184676 + ... + 5302341.

It is an arithmetic number, because the mean of its divisors is an integer number (57154248100).

Almost surely, 2^616982671161 is an apocalyptic number.

It is an amenable number.

616982671161 is a deficient number, since it is larger than the sum of its proper divisors (297485298439).

616982671161 is a wasteful number, since it uses less digits than its factorization.

616982671161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10489205 (or 10489199 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The spelling of 616982671161 in words is "six hundred sixteen billion, nine hundred eighty-two million, six hundred seventy-one thousand, one hundred sixty-one".