16423166 has 4 divisors (see below), whose sum is σ = 24634752. Its totient is φ = 8211582.

The previous prime is 16423157. The next prime is 16423171. The reversal of 16423166 is 66132461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105790 + ... + 4105793.

It is an arithmetic number, because the mean of its divisors is an integer number (6158688).

Almost surely, 2^16423166 is an apocalyptic number.

16423166 is a deficient number, since it is larger than the sum of its proper divisors (8211586).

16423166 is an equidigital number, since it uses as much as digits as its factorization.

16423166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211585.

The product of its digits is 5184, while the sum is 29.

The square root of 16423166 is about 4052.5505548975. The cubic root of 16423166 is about 254.1863905623.

The spelling of 16423166 in words is "sixteen million, four hundred twenty-three thousand, one hundred sixty-six".