153165663 has 12 divisors (see below), whose sum is σ = 252845008. Its totient is φ = 87523200.

The previous prime is 153165659. The next prime is 153165703. The reversal of 153165663 is 366561351.

153165663 is a `hidden beast` number, since 1 + 531 + 65 + 6 + 63 = 666.

It is not a de Polignac number, because 153165663 - 2² = 153165659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153165643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1215538 + ... + 1215663.

Almost surely, 2^153165663 is an apocalyptic number.

153165663 is a deficient number, since it is larger than the sum of its proper divisors (99679345).

153165663 is a wasteful number, since it uses less digits than its factorization.

153165663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431214 (or 2431211 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 153165663 is about 12376.0115950172. The cubic root of 153165663 is about 535.0410927181.

The spelling of 153165663 in words is "one hundred fifty-three million, one hundred sixty-five thousand, six hundred sixty-three".