15957146964 has 24 divisors (see below), whose sum is σ = 40618192608. Its totient is φ = 4835499040.

The previous prime is 15957146957. The next prime is 15957147001. The reversal of 15957146964 is 46964175951.

It is a happy number.

It is a congruent number.

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, 60443607 + ... + 60443870.

It is an arithmetic number, because the mean of its divisors is an integer number (1692424692).

Almost surely, 2^15957146964 is an apocalyptic number.

It is an amenable number.

15957146964 is an abundant number, since it is smaller than the sum of its proper divisors (24661045644).

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

15957146964 is a wasteful number, since it uses less digits than its factorization.

15957146964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120887495 (or 120887493 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 57.

The spelling of 15957146964 in words is "fifteen billion, nine hundred fifty-seven million, one hundred forty-six thousand, nine hundred sixty-four".