7131668260 has 24 divisors (see below), whose sum is σ = 14984013240. Its totient is φ = 2851236864.

The previous prime is 7131668239. The next prime is 7131668261. The reversal of 7131668260 is 628661317.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 697382464 + 6434285796 = 26408^2 + 80214^2 .

It is not an unprimeable number, because it can be changed into a prime (7131668261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48055 + ... + 128734.

It is an arithmetic number, because the mean of its divisors is an integer number (624333885).

Almost surely, 2^7131668260 is an apocalyptic number.

It is an amenable number.

7131668260 is an abundant number, since it is smaller than the sum of its proper divisors (7852344980).

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

7131668260 is a wasteful number, since it uses less digits than its factorization.

7131668260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178815 (or 178813 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 7131668260 is about 84449.2052064435. The cubic root of 7131668260 is about 1924.8506780222.

The spelling of 7131668260 in words is "seven billion, one hundred thirty-one million, six hundred sixty-eight thousand, two hundred sixty".