163023666 has 16 divisors (see below), whose sum is σ = 351128064. Its totient is φ = 50161104.

The previous prime is 163023647. The next prime is 163023671. The reversal of 163023666 is 666320361.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044946 + ... + 1045101.

It is an arithmetic number, because the mean of its divisors is an integer number (21945504).

Almost surely, 2^163023666 is an apocalyptic number.

163023666 is an abundant number, since it is smaller than the sum of its proper divisors (188104398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163023666 is a wasteful number, since it uses less digits than its factorization.

163023666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090065.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 163023666 is about 12768.0721332549. The cubic root of 163023666 is about 546.2819928304.

The spelling of 163023666 in words is "one hundred sixty-three million, twenty-three thousand, six hundred sixty-six".