9157814912 has 64 divisors (see below), whose sum is σ = 18398466240. Its totient is φ = 4540354560.

The previous prime is 9157814891. The next prime is 9157814917. The reversal of 9157814912 is 2194187519.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (9157814917) 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, 9469853 + ... + 9470819.

It is an arithmetic number, because the mean of its divisors is an integer number (287476035).

Almost surely, 2^9157814912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9157814912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9199233120).

9157814912 is an abundant number, since it is smaller than the sum of its proper divisors (9240651328).

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

9157814912 is a wasteful number, since it uses less digits than its factorization.

9157814912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1517 counting only the distinct ones).

The product of its digits is 181440, while the sum is 47.

The square root of 9157814912 is about 95696.4728294622. The cubic root of 9157814912 is about 2092.1715265525.

The spelling of 9157814912 in words is "nine billion, one hundred fifty-seven million, eight hundred fourteen thousand, nine hundred twelve".