921360630153600 has 4608 divisors, whose sum is σ = 4265211175680000. Its totient is φ = 188041745203200.

The previous prime is 921360630153569. The next prime is 921360630153661. The reversal of 921360630153600 is 6351036063129.

921360630153600 is a `hidden beast` number, since 9 + 2 + 1 + 3 + 6 + 0 + 6 + 30 + 1 + 5 + 3 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 1002568693941 + ... + 1002568694859.

Almost surely, 2^{921360630153600} is an apocalyptic number.

921360630153600 is a gapful number since it is divisible by the number (90) 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 921360630153600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132605587840000).

921360630153600 is an abundant number, since it is smaller than the sum of its proper divisors (3343850545526400).

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

921360630153600 is a wasteful number, since it uses less digits than its factorization.

921360630153600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 921360630153600 in words is "nine hundred twenty-one trillion, three hundred sixty billion, six hundred thirty million, one hundred fifty-three thousand, six hundred".