9174991890016 has 24 divisors (see below), whose sum is σ = 18063409727160. Its totient is φ = 4587459260928.

The previous prime is 9174991889983. The next prime is 9174991890023. The reversal of 9174991890016 is 6100981994719.

It is a self number, because there is not a number n which added to its sum of digits gives 9174991890016.

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, 3167640 + ... + 5327656.

It is an arithmetic number, because the mean of its divisors is an integer number (752642071965).

Almost surely, 2^{9174991890016} is an apocalyptic number.

It is an amenable number.

9174991890016 is a deficient number, since it is larger than the sum of its proper divisors (8888417837144).

9174991890016 is a wasteful number, since it uses less digits than its factorization.

9174991890016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292766 (or 2292758 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 64.

The spelling of 9174991890016 in words is "nine trillion, one hundred seventy-four billion, nine hundred ninety-one million, eight hundred ninety thousand, sixteen".