8318272660 has 48 divisors (see below), whose sum is σ = 17952414480. Its totient is φ = 3235230720.

The previous prime is 8318272657. The next prime is 8318272679. The reversal of 8318272660 is 662728138.

It can be written as a sum of positive squares in 8 ways, for example, as 653620356 + 7664652304 = 25566^2 + 87548^2 .

It is a super-2 number, since 2×8318272660² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543170 + ... + 1548550.

It is an arithmetic number, because the mean of its divisors is an integer number (374008635).

Almost surely, 2^8318272660 is an apocalyptic number.

It is an amenable number.

8318272660 is an abundant number, since it is smaller than the sum of its proper divisors (9634141820).

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

8318272660 is a wasteful number, since it uses less digits than its factorization.

8318272660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516 (or 7514 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 8318272660 is about 91204.5649076843. The cubic root of 8318272660 is about 2026.1785679055.

The spelling of 8318272660 in words is "eight billion, three hundred eighteen million, two hundred seventy-two thousand, six hundred sixty".