15947134160 has 40 divisors (see below), whose sum is σ = 37322658816. Its totient is φ = 6336604800.

The previous prime is 15947134129. The next prime is 15947134163. The reversal of 15947134160 is 6143174951.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×15947134160² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15947134163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647984 + ... + 672143.

Almost surely, 2^15947134160 is an apocalyptic number.

15947134160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15947134160 is an abundant number, since it is smaller than the sum of its proper divisors (21375524656).

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

15947134160 is a wasteful number, since it uses less digits than its factorization.

15947134160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320291 (or 1320285 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 15947134160 in words is "fifteen billion, nine hundred forty-seven million, one hundred thirty-four thousand, one hundred sixty".