663315065 has 16 divisors (see below), whose sum is σ = 915720960. Its totient is φ = 451828800.

The previous prime is 663315049. The next prime is 663315083. The reversal of 663315065 is 560513366.

663315065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663315065 - 2⁴ = 663315049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57470 + ... + 68039.

It is an arithmetic number, because the mean of its divisors is an integer number (57232560).

Almost surely, 2^663315065 is an apocalyptic number.

It is an amenable number.

663315065 is a deficient number, since it is larger than the sum of its proper divisors (252405895).

663315065 is a wasteful number, since it uses less digits than its factorization.

663315065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125672.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 663315065 is about 25754.9037078379. The cubic root of 663315065 is about 872.1140577070.

The spelling of 663315065 in words is "six hundred sixty-three million, three hundred fifteen thousand, sixty-five".