8680198664 has 16 divisors (see below), whose sum is σ = 16427480400. Its totient is φ = 4299537232.

The previous prime is 8680198651. The next prime is 8680198699. The reversal of 8680198664 is 4668910868.

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, 5069354 + ... + 5071065.

It is an arithmetic number, because the mean of its divisors is an integer number (1026717525).

Almost surely, 2^8680198664 is an apocalyptic number.

It is an amenable number.

8680198664 is a deficient number, since it is larger than the sum of its proper divisors (7747281736).

8680198664 is a wasteful number, since it uses less digits than its factorization.

8680198664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10140532 (or 10140528 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 8680198664 is about 93167.5837617355. The cubic root of 8680198664 is about 2055.1485627743.

The spelling of 8680198664 in words is "eight billion, six hundred eighty million, one hundred ninety-eight thousand, six hundred sixty-four".