8318546464 has 12 divisors (see below), whose sum is σ = 16377138414. Its totient is φ = 4159273216.

The previous prime is 8318546339. The next prime is 8318546491. The reversal of 8318546464 is 4646458138.

It can be written as a sum of positive squares in only one way, i.e., 7833666064 + 484880400 = 88508^2 + 22020^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129977257 + ... + 129977320.

Almost surely, 2^8318546464 is an apocalyptic number.

It is an amenable number.

8318546464 is a deficient number, since it is larger than the sum of its proper divisors (8058591950).

8318546464 is a wasteful number, since it uses less digits than its factorization.

8318546464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259954587 (or 259954579 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 49.

The square root of 8318546464 is about 91206.0659386206. The cubic root of 8318546464 is about 2026.2007988715.

The spelling of 8318546464 in words is "eight billion, three hundred eighteen million, five hundred forty-six thousand, four hundred sixty-four".