1316816975 has 12 divisors (see below), whose sum is σ = 1639868256. Its totient is φ = 1048927680.

The previous prime is 1316816947. The next prime is 1316816981. The reversal of 1316816975 is 5796186131.

It is not a de Polignac number, because 1316816975 - 2²² = 1312622671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107207 + ... + 118856.

It is an arithmetic number, because the mean of its divisors is an integer number (136655688).

Almost surely, 2^1316816975 is an apocalyptic number.

1316816975 is a deficient number, since it is larger than the sum of its proper divisors (323051281).

1316816975 is a wasteful number, since it uses less digits than its factorization.

1316816975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226306 (or 226301 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 1316816975 is about 36287.9728698091. The cubic root of 1316816975 is about 1096.0788696750.

The spelling of 1316816975 in words is "one billion, three hundred sixteen million, eight hundred sixteen thousand, nine hundred seventy-five".