12915166368 has 48 divisors (see below), whose sum is σ = 36510185376. Its totient is φ = 3973896960.

The previous prime is 12915166361. The next prime is 12915166391. The reversal of 12915166368 is 86366151921.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×12915166368³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (12915166361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5173098 + ... + 5175593.

It is an arithmetic number, because the mean of its divisors is an integer number (760628862).

Almost surely, 2^12915166368 is an apocalyptic number.

It is an amenable number.

12915166368 is an abundant number, since it is smaller than the sum of its proper divisors (23595019008).

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

12915166368 is a wasteful number, since it uses less digits than its factorization.

12915166368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10348717 (or 10348709 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The spelling of 12915166368 in words is "twelve billion, nine hundred fifteen million, one hundred sixty-six thousand, three hundred sixty-eight".