163573417147 has 8 divisors (see below), whose sum is σ = 190756172000. Its totient is φ = 140205785832.

The previous prime is 163573417129. The next prime is 163573417153. The reversal of 163573417147 is 741714375361.

163573417147 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 163573417147 - 2²⁷ = 163439199419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163573417147.

It is not an unprimeable number, because it can be changed into a prime (163573417127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 238444872 + ... + 238445557.

It is an arithmetic number, because the mean of its divisors is an integer number (23844521500).

Almost surely, 2^163573417147 is an apocalyptic number.

163573417147 is a deficient number, since it is larger than the sum of its proper divisors (27182754853).

163573417147 is an frugal number, since it uses more digits than its factorization.

163573417147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476890450 (or 476890436 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The spelling of 163573417147 in words is "one hundred sixty-three billion, five hundred seventy-three million, four hundred seventeen thousand, one hundred forty-seven".