8556198064 has 20 divisors (see below), whose sum is σ = 16631642104. Its totient is φ = 4264161408.

The previous prime is 8556198061. The next prime is 8556198067. The reversal of 8556198064 is 4608916558.

It is an interprime number because it is at equal distance from previous prime (8556198061) and next prime (8556198067).

It is not an unprimeable number, because it can be changed into a prime (8556198061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866037 + ... + 875860.

Almost surely, 2^8556198064 is an apocalyptic number.

It is an amenable number.

8556198064 is a deficient number, since it is larger than the sum of its proper divisors (8075444040).

8556198064 is a wasteful number, since it uses less digits than its factorization.

8556198064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742212 (or 1742206 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 8556198064 is about 92499.7192644389. The cubic root of 8556198064 is about 2045.3153439536.

The spelling of 8556198064 in words is "eight billion, five hundred fifty-six million, one hundred ninety-eight thousand, sixty-four".