7318090656 has 144 divisors (see below), whose sum is σ = 21381796800. Its totient is φ = 2372797440.

The previous prime is 7318090651. The next prime is 7318090669. The reversal of 7318090656 is 6560908137.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (7318090651) 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, 5230245 + ... + 5231643.

It is an arithmetic number, because the mean of its divisors is an integer number (148484700).

Almost surely, 2^7318090656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7318090656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10690898400).

7318090656 is an abundant number, since it is smaller than the sum of its proper divisors (14063706144).

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

7318090656 is a wasteful number, since it uses less digits than its factorization.

7318090656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 7318090656 is about 85545.8395014042. The cubic root of 7318090656 is about 1941.4785426837.

The spelling of 7318090656 in words is "seven billion, three hundred eighteen million, ninety thousand, six hundred fifty-six".