163145205223052 has 24 divisors (see below), whose sum is σ = 307839555463776. Its totient is φ = 75206295163008.

The previous prime is 163145205223027. The next prime is 163145205223079. The reversal of 163145205223052 is 250322502541361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906037273 + ... + 1906122864.

It is an arithmetic number, because the mean of its divisors is an integer number (12826648144324).

Almost surely, 2^{163145205223052} is an apocalyptic number.

It is an amenable number.

163145205223052 is a deficient number, since it is larger than the sum of its proper divisors (144694350240724).

163145205223052 is a wasteful number, since it uses less digits than its factorization.

163145205223052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812160977 (or 3812160975 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 163145205223052 in words is "one hundred sixty-three trillion, one hundred forty-five billion, two hundred five million, two hundred twenty-three thousand, fifty-two".