915799763665152 has 216 divisors, whose sum is σ = 2763863260625376. Its totient is φ = 302413626925056.

The previous prime is 915799763665141. The next prime is 915799763665181. The reversal of 915799763665152 is 251566367997519.

915799763665152 is a `hidden beast` number, since 9 + 1 + 5 + 7 + 9 + 97 + 6 + 3 + 6 + 6 + 515 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (81).

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, 62136153 + ... + 75448664.

It is an arithmetic number, because the mean of its divisors is an integer number (12795663243636).

Almost surely, 2^{915799763665152} is an apocalyptic number.

It is an amenable number.

915799763665152 is an abundant number, since it is smaller than the sum of its proper divisors (1848063496960224).

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

915799763665152 is a wasteful number, since it uses less digits than its factorization.

915799763665152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137584955 (or 137584929 counting only the distinct ones).

The product of its digits is 5786802000, while the sum is 81.

The spelling of 915799763665152 in words is "nine hundred fifteen trillion, seven hundred ninety-nine billion, seven hundred sixty-three million, six hundred sixty-five thousand, one hundred fifty-two".