163921714 has 8 divisors (see below), whose sum is σ = 268235568. Its totient is φ = 74509860.

The previous prime is 163921699. The next prime is 163921757. The reversal of 163921714 is 417129361.

163921714 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 163921714.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725472 + ... + 3725515.

It is an arithmetic number, because the mean of its divisors is an integer number (33529446).

Almost surely, 2^163921714 is an apocalyptic number.

163921714 is a deficient number, since it is larger than the sum of its proper divisors (104313854).

163921714 is a wasteful number, since it uses less digits than its factorization.

163921714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451000.

The product of its digits is 9072, while the sum is 34.

The square root of 163921714 is about 12803.1915552334. The cubic root of 163921714 is about 547.2832572017.

The spelling of 163921714 in words is "one hundred sixty-three million, nine hundred twenty-one thousand, seven hundred fourteen".