163155611265 has 16 divisors (see below), whose sum is σ = 274788398400. Its totient is φ = 82436519232.

The previous prime is 163155611257. The next prime is 163155611309. The reversal of 163155611265 is 562116551361.

163155611265 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 163155611265 - 2³ = 163155611257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286237630 + ... + 286238199.

It is an arithmetic number, because the mean of its divisors is an integer number (17174274900).

Almost surely, 2^163155611265 is an apocalyptic number.

163155611265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163155611265 is a deficient number, since it is larger than the sum of its proper divisors (111632787135).

163155611265 is a wasteful number, since it uses less digits than its factorization.

163155611265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572475856.

The product of its digits is 162000, while the sum is 42.

The spelling of 163155611265 in words is "one hundred sixty-three billion, one hundred fifty-five million, six hundred eleven thousand, two hundred sixty-five".