163475974028 has 6 divisors (see below), whose sum is σ = 286082954556. Its totient is φ = 81737987012.

The previous prime is 163475974019. The next prime is 163475974049. The reversal of 163475974028 is 820479574361.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20434496750 + ... + 20434496757.

It is an arithmetic number, because the mean of its divisors is an integer number (47680492426).

It is a 1-persistent number, because it is pandigital, but 2⋅163475974028 = 326951948056 is not.

Almost surely, 2^163475974028 is an apocalyptic number.

It is an amenable number.

163475974028 is a deficient number, since it is larger than the sum of its proper divisors (122606980528).

163475974028 is a wasteful number, since it uses less digits than its factorization.

163475974028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40868993511 (or 40868993509 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 163475974028 in words is "one hundred sixty-three billion, four hundred seventy-five million, nine hundred seventy-four thousand, twenty-eight".