160118791831 has 4 divisors (see below), whose sum is σ = 161673343312. Its totient is φ = 158564240352.

The previous prime is 160118791753. The next prime is 160118791841. The reversal of 160118791831 is 138197811061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 160118791831 - 2⁹ = 160118791319 is a prime.

It is a super-2 number, since 2×160118791831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160118791841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777275586 + ... + 777275791.

It is an arithmetic number, because the mean of its divisors is an integer number (40418335828).

Almost surely, 2^160118791831 is an apocalyptic number.

160118791831 is a deficient number, since it is larger than the sum of its proper divisors (1554551481).

160118791831 is a wasteful number, since it uses less digits than its factorization.

160118791831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554551480.

The product of its (nonzero) digits is 72576, while the sum is 46.

The spelling of 160118791831 in words is "one hundred sixty billion, one hundred eighteen million, seven hundred ninety-one thousand, eight hundred thirty-one".