163890662 has 8 divisors (see below), whose sum is σ = 264746496. Its totient is φ = 75641832.

The previous prime is 163890647. The next prime is 163890691. The reversal of 163890662 is 266098361.

163890662 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 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, 3151718 + ... + 3151769.

It is an arithmetic number, because the mean of its divisors is an integer number (33093312).

Almost surely, 2^163890662 is an apocalyptic number.

163890662 is a deficient number, since it is larger than the sum of its proper divisors (100855834).

163890662 is a wasteful number, since it uses less digits than its factorization.

163890662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303502.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 163890662 is about 12801.9788314151. The cubic root of 163890662 is about 547.2486973856.

The spelling of 163890662 in words is "one hundred sixty-three million, eight hundred ninety thousand, six hundred sixty-two".