1316528656 has 45 divisors (see below), whose sum is σ = 2619774381. Its totient is φ = 640920576.

The previous prime is 1316528641. The next prime is 1316528663. The reversal of 1316528656 is 6568256131.

The square root of 1316528656 is 36284.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 318979600 + 997549056 = 17860^2 + 31584^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6821296 + ... + 6821488.

Almost surely, 2^1316528656 is an apocalyptic number.

1316528656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1316528656 is the 36284-th square number.

It is an amenable number.

1316528656 is a deficient number, since it is larger than the sum of its proper divisors (1303245725).

1316528656 is an frugal number, since it uses more digits than its factorization.

1316528656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 242 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The cubic root of 1316528656 is about 1095.9988678128.

The spelling of 1316528656 in words is "one billion, three hundred sixteen million, five hundred twenty-eight thousand, six hundred fifty-six".