7198564680 has 48 divisors (see below), whose sum is σ = 23395336380. Its totient is φ = 1919617152.

The previous prime is 7198564663. The next prime is 7198564691. The reversal of 7198564680 is 864658917.

7198564680 is a `hidden beast` number, since 7 + 19 + 8 + 564 + 68 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7052976324 + 145588356 = 83982^2 + 12066^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9997647 + ... + 9998366.

Almost surely, 2^7198564680 is an apocalyptic number.

It is an amenable number.

7198564680 is an abundant number, since it is smaller than the sum of its proper divisors (16196771700).

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

7198564680 is a wasteful number, since it uses less digits than its factorization.

7198564680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996030 (or 19996023 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 7198564680 is about 84844.3556166231. The cubic root of 7198564680 is about 1930.8504471447.

The spelling of 7198564680 in words is "seven billion, one hundred ninety-eight million, five hundred sixty-four thousand, six hundred eighty".