8491666602 has 32 divisors (see below), whose sum is σ = 17031928320. Its totient is φ = 2822470640.

The previous prime is 8491666577. The next prime is 8491666613. The reversal of 8491666602 is 2066661948.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5404477 + ... + 5406047.

It is an arithmetic number, because the mean of its divisors is an integer number (532247760).

Almost surely, 2^8491666602 is an apocalyptic number.

8491666602 is an abundant number, since it is smaller than the sum of its proper divisors (8540261718).

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

8491666602 is a wasteful number, since it uses less digits than its factorization.

8491666602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 8491666602 is about 92150.2392943176. The cubic root of 8491666602 is about 2040.1603905996.

The spelling of 8491666602 in words is "eight billion, four hundred ninety-one million, six hundred sixty-six thousand, six hundred two".