163145205223060 has 48 divisors (see below), whose sum is σ = 342733624667280. Its totient is φ = 65233572638720.

The previous prime is 163145205223027. The next prime is 163145205223079. The reversal of 163145205223060 is 60322502541361.

It can be written as a sum of positive squares in 8 ways, for example, as 103461731364996 + 59683473858064 = 10171614^2 + 7725508^2 .

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, 765901770 + ... + 766114750.

It is an arithmetic number, because the mean of its divisors is an integer number (7140283847235).

Almost surely, 2^{163145205223060} is an apocalyptic number.

163145205223060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163145205223060 is an abundant number, since it is smaller than the sum of its proper divisors (179588419444220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163145205223060 is a wasteful number, since it uses less digits than its factorization.

163145205223060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227196 (or 227194 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 163145205223060 in words is "one hundred sixty-three trillion, one hundred forty-five billion, two hundred five million, two hundred twenty-three thousand, sixty".