163326172 has 6 divisors (see below), whose sum is σ = 285820808. Its totient is φ = 81663084.

The previous prime is 163326143. The next prime is 163326179. The reversal of 163326172 is 271623361.

163326172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163326179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20415768 + ... + 20415775.

Almost surely, 2^163326172 is an apocalyptic number.

It is an amenable number.

163326172 is a deficient number, since it is larger than the sum of its proper divisors (122494636).

163326172 is a wasteful number, since it uses less digits than its factorization.

163326172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40831547 (or 40831545 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 163326172 is about 12779.9128322536. The cubic root of 163326172 is about 546.6196768719.

The spelling of 163326172 in words is "one hundred sixty-three million, three hundred twenty-six thousand, one hundred seventy-two".