15947384960 has 64 divisors (see below), whose sum is σ = 41056870680. Its totient is φ = 5888262144.

The previous prime is 15947384933. The next prime is 15947385011. The reversal of 15947384960 is 6948374951.

It can be written as a sum of positive squares in 4 ways, for example, as 7301360704 + 8646024256 = 85448^2 + 92984^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 15947384896 and 15947384905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950057 + ... + 966696.

Almost surely, 2^15947384960 is an apocalyptic number.

15947384960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15947384960 is an abundant number, since it is smaller than the sum of its proper divisors (25109485720).

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

15947384960 is a wasteful number, since it uses less digits than its factorization.

15947384960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916785 (or 1916773 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 15947384960 in words is "fifteen billion, nine hundred forty-seven million, three hundred eighty-four thousand, nine hundred sixty".