163472878 has 8 divisors (see below), whose sum is σ = 245295360. Its totient is φ = 81707760.

The previous prime is 163472873. The next prime is 163472879. The reversal of 163472878 is 878274361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163472873) 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, 6318 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (30661920).

Almost surely, 2^163472878 is an apocalyptic number.

163472878 is a deficient number, since it is larger than the sum of its proper divisors (81822482).

163472878 is a wasteful number, since it uses less digits than its factorization.

163472878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28682.

The product of its digits is 451584, while the sum is 46.

The square root of 163472878 is about 12785.6512544336. The cubic root of 163472878 is about 546.7832929999.

The spelling of 163472878 in words is "one hundred sixty-three million, four hundred seventy-two thousand, eight hundred seventy-eight".