8001518172 has 12 divisors (see below), whose sum is σ = 18670209096. Its totient is φ = 2667172720.

The previous prime is 8001518167. The next prime is 8001518177. The reversal of 8001518172 is 2718151008.

It is an interprime number because it is at equal distance from previous prime (8001518167) and next prime (8001518177).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8001518177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333396579 + ... + 333396602.

It is an arithmetic number, because the mean of its divisors is an integer number (1555850758).

Almost surely, 2^8001518172 is an apocalyptic number.

It is an amenable number.

8001518172 is an abundant number, since it is smaller than the sum of its proper divisors (10668690924).

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

8001518172 is a wasteful number, since it uses less digits than its factorization.

8001518172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666793188 (or 666793186 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 33.

The square root of 8001518172 is about 89451.2055368736. The cubic root of 8001518172 is about 2000.1265063312.

The spelling of 8001518172 in words is "eight billion, one million, five hundred eighteen thousand, one hundred seventy-two".