15857145168 has 20 divisors (see below), whose sum is σ = 40964291808. Its totient is φ = 5285715040.

The previous prime is 15857145133. The next prime is 15857145169. The reversal of 15857145168 is 86154175851.

It is a self number, because there is not a number n which added to its sum of digits gives 15857145168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15857145169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165178548 + ... + 165178643.

Almost surely, 2^15857145168 is an apocalyptic number.

It is an amenable number.

15857145168 is an abundant number, since it is smaller than the sum of its proper divisors (25107146640).

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

15857145168 is a wasteful number, since it uses less digits than its factorization.

15857145168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330357202 (or 330357196 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 51.

The spelling of 15857145168 in words is "fifteen billion, eight hundred fifty-seven million, one hundred forty-five thousand, one hundred sixty-eight".