16885327631 has 8 divisors (see below), whose sum is σ = 16975244880. Its totient is φ = 16795453248.

The previous prime is 16885327601. The next prime is 16885327651. The reversal of 16885327631 is 13672358861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16885327631 is a prime.

It is a super-2 number, since 2×16885327631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16885327631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16885327601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059635 + ... + 1075451.

It is an arithmetic number, because the mean of its divisors is an integer number (2121905610).

Almost surely, 2^16885327631 is an apocalyptic number.

16885327631 is a deficient number, since it is larger than the sum of its proper divisors (89917249).

16885327631 is a wasteful number, since it uses less digits than its factorization.

16885327631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21433.

The product of its digits is 1451520, while the sum is 50.

The spelling of 16885327631 in words is "sixteen billion, eight hundred eighty-five million, three hundred twenty-seven thousand, six hundred thirty-one".