15990393076 has 48 divisors (see below), whose sum is σ = 32286038400. Its totient is φ = 6787928448.

The previous prime is 15990393071. The next prime is 15990393077. The reversal of 15990393076 is 67039309951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15990393071) 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, 1256835 + ... + 1269493.

It is an arithmetic number, because the mean of its divisors is an integer number (672625800).

Almost surely, 2^15990393076 is an apocalyptic number.

It is an amenable number.

15990393076 is an abundant number, since it is smaller than the sum of its proper divisors (16295645324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15990393076 is a wasteful number, since it uses less digits than its factorization.

15990393076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096 (or 13094 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 52.

The spelling of 15990393076 in words is "fifteen billion, nine hundred ninety million, three hundred ninety-three thousand, seventy-six".