16162312631 has 2 divisors, whose sum is σ = 16162312632. Its totient is φ = 16162312630.

The previous prime is 16162312601. The next prime is 16162312679. The reversal of 16162312631 is 13621326161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16162312631 is a prime.

It is a super-2 number, since 2×16162312631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16162312601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8081156315 + 8081156316.

It is an arithmetic number, because the mean of its divisors is an integer number (8081156316).

Almost surely, 2^16162312631 is an apocalyptic number.

16162312631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16162312631 is an equidigital number, since it uses as much as digits as its factorization.

16162312631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

Adding to 16162312631 its reverse (13621326161), we get a palindrome (29783638792).

The spelling of 16162312631 in words is "sixteen billion, one hundred sixty-two million, three hundred twelve thousand, six hundred thirty-one".