1316604663 has 48 divisors (see below), whose sum is σ = 2200573440. Its totient is φ = 750657600.

The previous prime is 1316604649. The next prime is 1316604671. The reversal of 1316604663 is 3664066131.

1316604663 is a `hidden beast` number, since 131 + 6 + 60 + 466 + 3 = 666.

It is not a de Polignac number, because 1316604663 - 2⁸ = 1316604407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316604613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134158 + ... + 143636.

It is an arithmetic number, because the mean of its divisors is an integer number (45845280).

Almost surely, 2^1316604663 is an apocalyptic number.

1316604663 is a deficient number, since it is larger than the sum of its proper divisors (883968777).

1316604663 is a wasteful number, since it uses less digits than its factorization.

1316604663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580 (or 9577 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 1316604663 is about 36285.0473749174. The cubic root of 1316604663 is about 1096.0199591331.

The spelling of 1316604663 in words is "one billion, three hundred sixteen million, six hundred four thousand, six hundred sixty-three".