16680867839 has 16 divisors (see below), whose sum is σ = 16941982464. Its totient is φ = 16422369600.

The previous prime is 16680867821. The next prime is 16680867881. The reversal of 16680867839 is 93876808661.

It is a happy number.

It is not a de Polignac number, because 16680867839 - 2³² = 12385900543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680867899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9680432 + ... + 9682154.

It is an arithmetic number, because the mean of its divisors is an integer number (1058873904).

Almost surely, 2^16680867839 is an apocalyptic number.

16680867839 is a deficient number, since it is larger than the sum of its proper divisors (261114625).

16680867839 is a wasteful number, since it uses less digits than its factorization.

16680867839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 16680867839 in words is "sixteen billion, six hundred eighty million, eight hundred sixty-seven thousand, eight hundred thirty-nine".