163166938 has 8 divisors (see below), whose sum is σ = 267000480. Its totient is φ = 74166780.

The previous prime is 163166917. The next prime is 163166947. The reversal of 163166938 is 839661361.

163166938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 163166894 and 163166903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3708318 + ... + 3708361.

It is an arithmetic number, because the mean of its divisors is an integer number (33375060).

Almost surely, 2^163166938 is an apocalyptic number.

163166938 is a deficient number, since it is larger than the sum of its proper divisors (103833542).

163166938 is a wasteful number, since it uses less digits than its factorization.

163166938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7416692.

The product of its digits is 139968, while the sum is 43.

The square root of 163166938 is about 12773.6814583737. The cubic root of 163166938 is about 546.4419777756.

The spelling of 163166938 in words is "one hundred sixty-three million, one hundred sixty-six thousand, nine hundred thirty-eight".