8915318006172 has 12 divisors (see below), whose sum is σ = 20802408681096. Its totient is φ = 2971772668720.

The previous prime is 8915318006149. The next prime is 8915318006213. The reversal of 8915318006172 is 2716008135198.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371471583579 + ... + 371471583602.

It is an arithmetic number, because the mean of its divisors is an integer number (1733534056758).

Almost surely, 2^{8915318006172} is an apocalyptic number.

It is an amenable number.

8915318006172 is an abundant number, since it is smaller than the sum of its proper divisors (11887090674924).

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

8915318006172 is a wasteful number, since it uses less digits than its factorization.

8915318006172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742943167188 (or 742943167186 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 8915318006172 in words is "eight trillion, nine hundred fifteen billion, three hundred eighteen million, six thousand, one hundred seventy-two".