15979197148 has 12 divisors (see below), whose sum is σ = 28613911480. Its totient is φ = 7803793872.

The previous prime is 15979197139. The next prime is 15979197181. The reversal of 15979197148 is 84179197951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46450983 + ... + 46451326.

Almost surely, 2^15979197148 is an apocalyptic number.

It is an amenable number.

15979197148 is a deficient number, since it is larger than the sum of its proper divisors (12634714332).

15979197148 is a wasteful number, since it uses less digits than its factorization.

15979197148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92902356 (or 92902354 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 61.

The spelling of 15979197148 in words is "fifteen billion, nine hundred seventy-nine million, one hundred ninety-seven thousand, one hundred forty-eight".