7116116580 has 72 divisors (see below), whose sum is σ = 21605488632. Its totient is φ = 1895878656.

The previous prime is 7116116551. The next prime is 7116116587. The reversal of 7116116580 is 856116117.

7116116580 is a `hidden beast` number, since 7 + 1 + 1 + 61 + 16 + 580 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1031180544 + 6084936036 = 32112^2 + 78006^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7116116587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183364 + ... + 218756.

It is an arithmetic number, because the mean of its divisors is an integer number (300076231).

Almost surely, 2^7116116580 is an apocalyptic number.

It is an amenable number.

7116116580 is an abundant number, since it is smaller than the sum of its proper divisors (14489372052).

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

7116116580 is a wasteful number, since it uses less digits than its factorization.

7116116580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36525 (or 36520 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 7116116580 is about 84357.0778299011. The cubic root of 7116116580 is about 1923.4505172128.

The spelling of 7116116580 in words is "seven billion, one hundred sixteen million, one hundred sixteen thousand, five hundred eighty".