163174138 has 8 divisors (see below), whose sum is σ = 244865088. Its totient is φ = 81552444.

The previous prime is 163174133. The next prime is 163174139. The reversal of 163174138 is 831471361.

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

It is not an unprimeable number, because it can be changed into a prime (163174133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10956 + ... + 21127.

It is an arithmetic number, because the mean of its divisors is an integer number (30608136).

Almost surely, 2^163174138 is an apocalyptic number.

163174138 is a deficient number, since it is larger than the sum of its proper divisors (81690950).

163174138 is a wasteful number, since it uses less digits than its factorization.

163174138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34628.

The product of its digits is 12096, while the sum is 34.

The square root of 163174138 is about 12773.9632847445. The cubic root of 163174138 is about 546.4500151971.

The spelling of 163174138 in words is "one hundred sixty-three million, one hundred seventy-four thousand, one hundred thirty-eight".