163673394 has 32 divisors (see below), whose sum is σ = 343151424. Its totient is φ = 51985920.

The previous prime is 163673383. The next prime is 163673401. The reversal of 163673394 is 493376361.

163673394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2842 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (10723482).

Almost surely, 2^163673394 is an apocalyptic number.

163673394 is an abundant number, since it is smaller than the sum of its proper divisors (179478030).

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

163673394 is a wasteful number, since it uses less digits than its factorization.

163673394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15562.

The product of its digits is 244944, while the sum is 42.

The square root of 163673394 is about 12793.4902978038. The cubic root of 163673394 is about 547.0067633047.

The spelling of 163673394 in words is "one hundred sixty-three million, six hundred seventy-three thousand, three hundred ninety-four".