15979395148 has 6 divisors (see below), whose sum is σ = 27963941516. Its totient is φ = 7989697572.

The previous prime is 15979395121. The next prime is 15979395149. The reversal of 15979395148 is 84159397951.

It is not an unprimeable number, because it can be changed into a prime (15979395149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997424390 + ... + 1997424397.

Almost surely, 2^15979395148 is an apocalyptic number.

It is an amenable number.

15979395148 is a deficient number, since it is larger than the sum of its proper divisors (11984546368).

15979395148 is a wasteful number, since it uses less digits than its factorization.

15979395148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994848791 (or 3994848789 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 61.

The spelling of 15979395148 in words is "fifteen billion, nine hundred seventy-nine million, three hundred ninety-five thousand, one hundred forty-eight".