16964718631 has 16 divisors (see below), whose sum is σ = 19629124416. Its totient is φ = 14361613056.

The previous prime is 16964718623. The next prime is 16964718691. The reversal of 16964718631 is 13681746961.

16964718631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16964718631 - 2³ = 16964718623 is a prime.

It is a super-2 number, since 2×16964718631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16964718691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144025 + ... + 233821.

It is an arithmetic number, because the mean of its divisors is an integer number (1226820276).

Almost surely, 2^16964718631 is an apocalyptic number.

16964718631 is a deficient number, since it is larger than the sum of its proper divisors (2664405785).

16964718631 is a wasteful number, since it uses less digits than its factorization.

16964718631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90138.

The product of its digits is 1306368, while the sum is 52.

The spelling of 16964718631 in words is "sixteen billion, nine hundred sixty-four million, seven hundred eighteen thousand, six hundred thirty-one".