63957474168 has 64 divisors (see below), whose sum is σ = 188630353920. Its totient is φ = 17684092800.

The previous prime is 63957474167. The next prime is 63957474173. The reversal of 63957474168 is 86147475936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63957474167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6135103 + ... + 6145518.

It is an arithmetic number, because the mean of its divisors is an integer number (2947349280).

Almost surely, 2^63957474168 is an apocalyptic number.

It is an amenable number.

63957474168 is an abundant number, since it is smaller than the sum of its proper divisors (124672879752).

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

63957474168 is a wasteful number, since it uses less digits than its factorization.

63957474168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280668 (or 12280664 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 60.

The spelling of 63957474168 in words is "sixty-three billion, nine hundred fifty-seven million, four hundred seventy-four thousand, one hundred sixty-eight".