163994254 has 8 divisors (see below), whose sum is σ = 247047840. Its totient is φ = 81644976.

The previous prime is 163994227. The next prime is 163994287. The reversal of 163994254 is 452499361.

163994254 is digitally balanced in base 2, 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 163994254.

It is a congruent number.

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, 175494 + ... + 176425.

It is an arithmetic number, because the mean of its divisors is an integer number (30880980).

Almost surely, 2^163994254 is an apocalyptic number.

163994254 is a deficient number, since it is larger than the sum of its proper divisors (83053586).

163994254 is a wasteful number, since it uses less digits than its factorization.

163994254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352154.

The product of its digits is 233280, while the sum is 43.

The square root of 163994254 is about 12806.0241292917. The cubic root of 163994254 is about 547.3639747423.

The spelling of 163994254 in words is "one hundred sixty-three million, nine hundred ninety-four thousand, two hundred fifty-four".