163145205223055 has 16 divisors (see below), whose sum is σ = 213737593168800. Its totient is φ = 118559009372160.

The previous prime is 163145205223027. The next prime is 163145205223079. The reversal of 163145205223055 is 550322502541361.

It is not a de Polignac number, because 163145205223055 - 2⁸ = 163145205222799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163145205222997 and 163145205223015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150540610 + ... + 1150682399.

It is an arithmetic number, because the mean of its divisors is an integer number (13358599573050).

Almost surely, 2^{163145205223055} is an apocalyptic number.

163145205223055 is a deficient number, since it is larger than the sum of its proper divisors (50592387945745).

163145205223055 is a wasteful number, since it uses less digits than its factorization.

163145205223055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301224314.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 163145205223055 in words is "one hundred sixty-three trillion, one hundred forty-five billion, two hundred five million, two hundred twenty-three thousand, fifty-five".