663265340001165 has 64 divisors (see below), whose sum is σ = 1161220350931200. Its totient is φ = 320605505034240.

The previous prime is 663265340001149. The next prime is 663265340001167. The reversal of 663265340001165 is 561100043562366.

It is not a de Polignac number, because 663265340001165 - 2⁴ = 663265340001149 is a prime.

It is a super-2 number, since 2×663265340001165² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663265340001167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328206097 + ... + 330220793.

It is an arithmetic number, because the mean of its divisors is an integer number (18144067983300).

Almost surely, 2^{663265340001165} is an apocalyptic number.

It is an amenable number.

663265340001165 is a deficient number, since it is larger than the sum of its proper divisors (497955010930035).

663265340001165 is a wasteful number, since it uses less digits than its factorization.

663265340001165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020782.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 663265340001165 in words is "six hundred sixty-three trillion, two hundred sixty-five billion, three hundred forty million, one thousand, one hundred sixty-five".