165335040063 has 24 divisors (see below), whose sum is σ = 239266310400. Its totient is φ = 110016273744.

The previous prime is 165335040061. The next prime is 165335040109. The reversal of 165335040063 is 360040533561.

165335040063 is a `hidden beast` number, since 1 + 65 + 33 + 504 + 0 + 0 + 63 = 666.

It is not a de Polignac number, because 165335040063 - 2¹ = 165335040061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165335040061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16683756 + ... + 16693662.

It is an arithmetic number, because the mean of its divisors is an integer number (9969429600).

Almost surely, 2^165335040063 is an apocalyptic number.

165335040063 is a deficient number, since it is larger than the sum of its proper divisors (73931270337).

165335040063 is a wasteful number, since it uses less digits than its factorization.

165335040063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13211 (or 13208 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 165335040063 in words is "one hundred sixty-five billion, three hundred thirty-five million, forty thousand, sixty-three".