16166874 has 16 divisors (see below), whose sum is σ = 33122880. Its totient is φ = 5257440.

The previous prime is 16166827. The next prime is 16166879. The reversal of 16166874 is 47866161.

It is a happy number.

It is a super-2 number, since 2×16166874² = 522735629863752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16166879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32614 + ... + 33105.

It is an arithmetic number, because the mean of its divisors is an integer number (2070180).

Almost surely, 2^16166874 is an apocalyptic number.

16166874 is an abundant number, since it is smaller than the sum of its proper divisors (16956006).

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

16166874 is a wasteful number, since it uses less digits than its factorization.

16166874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65765.

The product of its digits is 48384, while the sum is 39.

The square root of 16166874 is about 4020.8051432518. The cubic root of 16166874 is about 252.8572155419.

The spelling of 16166874 in words is "sixteen million, one hundred sixty-six thousand, eight hundred seventy-four".