16725067631 has 2 divisors, whose sum is σ = 16725067632. Its totient is φ = 16725067630.

The previous prime is 16725067607. The next prime is 16725067649. The reversal of 16725067631 is 13676052761.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16725067631 is a prime.

It is a super-2 number, since 2×16725067631² (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 (16725067691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362533815 + 8362533816.

It is an arithmetic number, because the mean of its divisors is an integer number (8362533816).

Almost surely, 2^16725067631 is an apocalyptic number.

16725067631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16725067631 is an equidigital number, since it uses as much as digits as its factorization.

16725067631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 16725067631 in words is "sixteen billion, seven hundred twenty-five million, sixty-seven thousand, six hundred thirty-one".