16873907248639 has 64 divisors (see below), whose sum is σ = 20073161687040. Its totient is φ = 13888968238080.

The previous prime is 16873907248613. The next prime is 16873907248669. The reversal of 16873907248639 is 93684270937861.

It is a cyclic number.

It is not a de Polignac number, because 16873907248639 - 2⁵ = 16873907248607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16873907248669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 850360852 + ... + 850380694.

It is an arithmetic number, because the mean of its divisors is an integer number (313643151360).

Almost surely, 2^{16873907248639} is an apocalyptic number.

16873907248639 is a deficient number, since it is larger than the sum of its proper divisors (3199254438401).

16873907248639 is a wasteful number, since it uses less digits than its factorization.

16873907248639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20300.

The product of its (nonzero) digits is 658409472, while the sum is 73.

The spelling of 16873907248639 in words is "sixteen trillion, eight hundred seventy-three billion, nine hundred seven million, two hundred forty-eight thousand, six hundred thirty-nine".