16536841631 has 2 divisors, whose sum is σ = 16536841632. Its totient is φ = 16536841630.

The previous prime is 16536841619. The next prime is 16536841639. The reversal of 16536841631 is 13614863561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16536841631 is a prime.

It is a super-2 number, since 2×16536841631² (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 (16536841639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8268420815 + 8268420816.

It is an arithmetic number, because the mean of its divisors is an integer number (8268420816).

Almost surely, 2^16536841631 is an apocalyptic number.

16536841631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16536841631 is an equidigital number, since it uses as much as digits as its factorization.

16536841631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The spelling of 16536841631 in words is "sixteen billion, five hundred thirty-six million, eight hundred forty-one thousand, six hundred thirty-one".