63857606160 has 160 divisors (see below), whose sum is σ = 208848240000. Its totient is φ = 16096002048.

The previous prime is 63857606123. The next prime is 63857606171. The reversal of 63857606160 is 6160675836.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2031846 + ... + 2063034.

It is an arithmetic number, because the mean of its divisors is an integer number (1305301500).

Almost surely, 2^63857606160 is an apocalyptic number.

63857606160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63857606160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104424120000).

63857606160 is an abundant number, since it is smaller than the sum of its proper divisors (144990633840).

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

63857606160 is a wasteful number, since it uses less digits than its factorization.

63857606160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31673 (or 31667 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 63857606160 in words is "sixty-three billion, eight hundred fifty-seven million, six hundred six thousand, one hundred sixty".