8396618660 has 12 divisors (see below), whose sum is σ = 17632899228. Its totient is φ = 3358647456.

The previous prime is 8396618639. The next prime is 8396618683. The reversal of 8396618660 is 668166938.

It can be written as a sum of positive squares in 2 ways, for example, as 2898099556 + 5498519104 = 53834^2 + 74152^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209915447 + ... + 209915486.

It is an arithmetic number, because the mean of its divisors is an integer number (1469408269).

Almost surely, 2^8396618660 is an apocalyptic number.

It is an amenable number.

8396618660 is an abundant number, since it is smaller than the sum of its proper divisors (9236280568).

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

8396618660 is a wasteful number, since it uses less digits than its factorization.

8396618660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419830942 (or 419830940 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 8396618660 is about 91633.0653203307. The cubic root of 8396618660 is about 2032.5199165735.

The spelling of 8396618660 in words is "eight billion, three hundred ninety-six million, six hundred eighteen thousand, six hundred sixty".