163674427 has 8 divisors (see below), whose sum is σ = 187834592. Its totient is φ = 139708800.

The previous prime is 163674397. The next prime is 163674431. The reversal of 163674427 is 724476361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163674427 - 2⁷ = 163674299 is a prime.

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 163674427.

It is not an unprimeable number, because it can be changed into a prime (163674127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46824 + ... + 50197.

It is an arithmetic number, because the mean of its divisors is an integer number (23479324).

Almost surely, 2^163674427 is an apocalyptic number.

163674427 is a deficient number, since it is larger than the sum of its proper divisors (24160165).

163674427 is an equidigital number, since it uses as much as digits as its factorization.

163674427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97269.

The product of its digits is 169344, while the sum is 40.

The square root of 163674427 is about 12793.5306698347. The cubic root of 163674427 is about 547.0079140859.

The spelling of 163674427 in words is "one hundred sixty-three million, six hundred seventy-four thousand, four hundred twenty-seven".