163930871 has 8 divisors (see below), whose sum is σ = 176653680. Its totient is φ = 151224192.

The previous prime is 163930859. The next prime is 163930891. The reversal of 163930871 is 178039361.

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

It is a cyclic number.

It is not a de Polignac number, because 163930871 - 2⁶ = 163930807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163930801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24716 + ... + 30638.

It is an arithmetic number, because the mean of its divisors is an integer number (22081710).

Almost surely, 2^163930871 is an apocalyptic number.

163930871 is a deficient number, since it is larger than the sum of its proper divisors (12722809).

163930871 is a wasteful number, since it uses less digits than its factorization.

163930871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 163930871 is about 12803.5491563863. The cubic root of 163930871 is about 547.2934477969.

The spelling of 163930871 in words is "one hundred sixty-three million, nine hundred thirty thousand, eight hundred seventy-one".