162456140331 has 12 divisors (see below), whose sum is σ = 234860654808. Its totient is φ = 108210961824.

The previous prime is 162456140311. The next prime is 162456140347. The reversal of 162456140331 is 133041654261.

162456140331 is a `hidden beast` number, since 1 + 6 + 2 + 4 + 5 + 614 + 0 + 3 + 31 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-162456140331 is a prime.

It is a super-2 number, since 2×162456140331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162456140311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7749930 + ... + 7770863.

It is an arithmetic number, because the mean of its divisors is an integer number (19571721234).

Almost surely, 2^162456140331 is an apocalyptic number.

162456140331 is a deficient number, since it is larger than the sum of its proper divisors (72404514477).

162456140331 is a wasteful number, since it uses less digits than its factorization.

162456140331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15521962 (or 15521959 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 162456140331 its reverse (133041654261), we get a palindrome (295497794592).

The spelling of 162456140331 in words is "one hundred sixty-two billion, four hundred fifty-six million, one hundred forty thousand, three hundred thirty-one".