63372165120 has 384 divisors, whose sum is σ = 239719690080. Its totient is φ = 15359016960.

The previous prime is 63372165067. The next prime is 63372165149. The reversal of 63372165120 is 2156127336.

63372165120 is a `hidden beast` number, since 6 + 3 + 372 + 165 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×63372165120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16218207 + ... + 16222113.

Almost surely, 2^63372165120 is an apocalyptic number.

63372165120 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 63372165120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119859845040).

63372165120 is an abundant number, since it is smaller than the sum of its proper divisors (176347524960).

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

63372165120 is a wasteful number, since it uses less digits than its factorization.

63372165120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959 (or 3928 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 63372165120 in words is "sixty-three billion, three hundred seventy-two million, one hundred sixty-five thousand, one hundred twenty".