163272871 has 16 divisors (see below), whose sum is σ = 178639200. Its totient is φ = 148635648.

The previous prime is 163272839. The next prime is 163272887. The reversal of 163272871 is 178272361.

It is a cyclic number.

It is not a de Polignac number, because 163272871 - 2⁵ = 163272839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163272871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163272671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141031 + ... + 142183.

It is an arithmetic number, because the mean of its divisors is an integer number (11164950).

Almost surely, 2^163272871 is an apocalyptic number.

163272871 is a deficient number, since it is larger than the sum of its proper divisors (15366329).

163272871 is a wasteful number, since it uses less digits than its factorization.

163272871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458.

The product of its digits is 28224, while the sum is 37.

The square root of 163272871 is about 12777.8273192276. The cubic root of 163272871 is about 546.5602078453.

The spelling of 163272871 in words is "one hundred sixty-three million, two hundred seventy-two thousand, eight hundred seventy-one".