7187118564 has 12 divisors (see below), whose sum is σ = 16769943344. Its totient is φ = 2395706184.

The previous prime is 7187118557. The next prime is 7187118641. The reversal of 7187118564 is 4658117817.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299463262 + ... + 299463285.

Almost surely, 2^7187118564 is an apocalyptic number.

It is an amenable number.

7187118564 is an abundant number, since it is smaller than the sum of its proper divisors (9582824780).

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

7187118564 is a wasteful number, since it uses less digits than its factorization.

7187118564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598926554 (or 598926552 counting only the distinct ones).

The product of its digits is 376320, while the sum is 48.

The square root of 7187118564 is about 84776.8751724195. The cubic root of 7187118564 is about 1929.8265179154.

It can be divided in two parts, 7187 and 118564, that added together give a triangular number (125751 = T₅₀₁).

The spelling of 7187118564 in words is "seven billion, one hundred eighty-seven million, one hundred eighteen thousand, five hundred sixty-four".