16166494 has 8 divisors (see below), whose sum is σ = 24522480. Its totient is φ = 7992336.

The previous prime is 16166477. The next prime is 16166509. The reversal of 16166494 is 49466161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16166494² = 522711056504072, which contains 22 as substring.

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, 45234 + ... + 45589.

It is an arithmetic number, because the mean of its divisors is an integer number (3065310).

Almost surely, 2^16166494 is an apocalyptic number.

16166494 is a deficient number, since it is larger than the sum of its proper divisors (8355986).

16166494 is an equidigital number, since it uses as much as digits as its factorization.

16166494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90914.

The product of its digits is 31104, while the sum is 37.

The square root of 16166494 is about 4020.7578887568. The cubic root of 16166494 is about 252.8552344025.

The spelling of 16166494 in words is "sixteen million, one hundred sixty-six thousand, four hundred ninety-four".