12633310665 has 32 divisors (see below), whose sum is σ = 22548758400. Its totient is φ = 6710904000.

The previous prime is 12633310601. The next prime is 12633310733. The reversal of 12633310665 is 56601333621.

12633310665 is a `hidden beast` number, since 1 + 2 + 633 + 3 + 10 + 6 + 6 + 5 = 666.

It is not a de Polignac number, because 12633310665 - 2⁶ = 12633310601 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152530 + ... + 220299.

It is an arithmetic number, because the mean of its divisors is an integer number (704648700).

Almost surely, 2^12633310665 is an apocalyptic number.

12633310665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12633310665 is a deficient number, since it is larger than the sum of its proper divisors (9915447735).

12633310665 is a wasteful number, since it uses less digits than its factorization.

12633310665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373094 (or 373088 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 12633310665 in words is "twelve billion, six hundred thirty-three million, three hundred ten thousand, six hundred sixty-five".