188846931161 has 16 divisors (see below), whose sum is σ = 217739243904. Its totient is φ = 160436847744.

The previous prime is 188846931139. The next prime is 188846931179. The reversal of 188846931161 is 161139648881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188846931161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188846931097 and 188846931106.

It is not an unprimeable number, because it can be changed into a prime (188846931121) 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 15 ways as a sum of consecutive naturals, for example, 463511 + ... + 769763.

It is an arithmetic number, because the mean of its divisors is an integer number (13608702744).

Almost surely, 2^188846931161 is an apocalyptic number.

It is an amenable number.

188846931161 is a deficient number, since it is larger than the sum of its proper divisors (28892312743).

188846931161 is a wasteful number, since it uses less digits than its factorization.

188846931161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307040.

The product of its digits is 1990656, while the sum is 56.

The spelling of 188846931161 in words is "one hundred eighty-eight billion, eight hundred forty-six million, nine hundred thirty-one thousand, one hundred sixty-one".