16325166 has 64 divisors (see below), whose sum is σ = 39191040. Its totient is φ = 4467840.

The previous prime is 16325149. The next prime is 16325167. The reversal of 16325166 is 66152361.

It is a super-2 number, since 2×16325166² = 533022089855112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16325167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45295 + ... + 45653.

It is an arithmetic number, because the mean of its divisors is an integer number (612360).

Almost surely, 2^16325166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16325166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19595520).

16325166 is an abundant number, since it is smaller than the sum of its proper divisors (22865874).

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

16325166 is a wasteful number, since it uses less digits than its factorization.

16325166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 6480, while the sum is 30.

The square root of 16325166 is about 4040.4413125301. The cubic root of 16325166 is about 253.6797895166.

The spelling of 16325166 in words is "sixteen million, three hundred twenty-five thousand, one hundred sixty-six".