16123881339 has 6 divisors (see below), whose sum is σ = 23290050836. Its totient is φ = 10749254220.

The previous prime is 16123881331. The next prime is 16123881379. The reversal of 16123881339 is 93318832161.

16123881339 is a `hidden beast` number, since 1 + 6 + 1 + 238 + 81 + 339 = 666.

It is not a de Polignac number, because 16123881339 - 2³ = 16123881331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16123881294 and 16123881303.

It is not an unprimeable number, because it can be changed into a prime (16123881331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 895771177 + ... + 895771194.

Almost surely, 2^16123881339 is an apocalyptic number.

16123881339 is a deficient number, since it is larger than the sum of its proper divisors (7166169497).

16123881339 is a wasteful number, since it uses less digits than its factorization.

16123881339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791542377 (or 1791542374 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 16123881339 in words is "sixteen billion, one hundred twenty-three million, eight hundred eighty-one thousand, three hundred thirty-nine".