1316660528 has 20 divisors (see below), whose sum is σ = 2554992720. Its totient is φ = 657307584.

The previous prime is 1316660509. The next prime is 1316660567. The reversal of 1316660528 is 8250666131.

It is a junction number, because it is equal to n+sod(n) for n = 1316660491 and 1316660500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53243 + ... + 73946.

It is an arithmetic number, because the mean of its divisors is an integer number (127749636).

Almost surely, 2^1316660528 is an apocalyptic number.

It is an amenable number.

1316660528 is a deficient number, since it is larger than the sum of its proper divisors (1238332192).

1316660528 is a wasteful number, since it uses less digits than its factorization.

1316660528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127844 (or 127838 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1316660528 is about 36285.8171742073. The cubic root of 1316660528 is about 1096.0354606958.

The spelling of 1316660528 in words is "one billion, three hundred sixteen million, six hundred sixty thousand, five hundred twenty-eight".