16139768984 has 16 divisors (see below), whose sum is σ = 30626671320. Its totient is φ = 7972656640.

The previous prime is 16139768977. The next prime is 16139768989. The reversal of 16139768984 is 48986793161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16139768989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12152777 + ... + 12154104.

Almost surely, 2^16139768984 is an apocalyptic number.

It is an amenable number.

16139768984 is a deficient number, since it is larger than the sum of its proper divisors (14486902336).

16139768984 is a wasteful number, since it uses less digits than its factorization.

16139768984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24306970 (or 24306966 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The spelling of 16139768984 in words is "sixteen billion, one hundred thirty-nine million, seven hundred sixty-eight thousand, nine hundred eighty-four".