913163397120 has 768 divisors, whose sum is σ = 3538976313600. Its totient is φ = 221997957120.

The previous prime is 913163397089. The next prime is 913163397137. The reversal of 913163397120 is 21793361319.

913163397120 is a `hidden beast` number, since 9 + 1 + 3 + 1 + 633 + 9 + 7 + 1 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298320390 + ... + 298323450.

It is an arithmetic number, because the mean of its divisors is an integer number (4608042075).

Almost surely, 2^913163397120 is an apocalyptic number.

913163397120 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 913163397120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769488156800).

913163397120 is an abundant number, since it is smaller than the sum of its proper divisors (2625812916480).

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

913163397120 is a wasteful number, since it uses less digits than its factorization.

913163397120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193 (or 3167 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The spelling of 913163397120 in words is "nine hundred thirteen billion, one hundred sixty-three million, three hundred ninety-seven thousand, one hundred twenty".