922961677921920 has 4608 divisors, whose sum is σ = 4326236966338560. Its totient is φ = 183810008678400.

The previous prime is 922961677921901. The next prime is 922961677921963. The reversal of 922961677921920 is 29129776169229.

922961677921920 is a `hidden beast` number, since 9 + 2 + 296 + 1 + 67 + 7 + 92 + 192 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 233838781387 + ... + 233838785333.

It is an arithmetic number, because the mean of its divisors is an integer number (938853508320).

Almost surely, 2^{922961677921920} is an apocalyptic number.

922961677921920 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 922961677921920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163118483169280).

922961677921920 is an abundant number, since it is smaller than the sum of its proper divisors (3403275288416640).

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

922961677921920 is a wasteful number, since it uses less digits than its factorization.

922961677921920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4049 counting only the distinct ones).

The product of its (nonzero) digits is 185177664, while the sum is 72.

The spelling of 922961677921920 in words is "nine hundred twenty-two trillion, nine hundred sixty-one billion, six hundred seventy-seven million, nine hundred twenty-one thousand, nine hundred twenty".