163461666 has 16 divisors (see below), whose sum is σ = 327557088. Its totient is φ = 54381600.

The previous prime is 163461659. The next prime is 163461737. The reversal of 163461666 is 666164361.

163461666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 23020 + ... + 29271.

It is an arithmetic number, because the mean of its divisors is an integer number (20472318).

Almost surely, 2^163461666 is an apocalyptic number.

163461666 is an abundant number, since it is smaller than the sum of its proper divisors (164095422).

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

163461666 is a wasteful number, since it uses less digits than its factorization.

163461666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52817.

The product of its digits is 93312, while the sum is 39.

The square root of 163461666 is about 12785.2127866532. The cubic root of 163461666 is about 546.7707920997.

The spelling of 163461666 in words is "one hundred sixty-three million, four hundred sixty-one thousand, six hundred sixty-six".