18896166 has 48 divisors (see below), whose sum is σ = 43243200. Its totient is φ = 6182568.

The previous prime is 18896113. The next prime is 18896167. The reversal of 18896166 is 66169881.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18896167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28345 + ... + 29003.

It is an arithmetic number, because the mean of its divisors is an integer number (900900).

Almost surely, 2^18896166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18896166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21621600).

18896166 is an abundant number, since it is smaller than the sum of its proper divisors (24347034).

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

18896166 is an equidigital number, since it uses as much as digits as its factorization.

18896166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 723 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 18896166 is about 4346.9720495996. The cubic root of 18896166 is about 266.3531875378.

The spelling of 18896166 in words is "eighteen million, eight hundred ninety-six thousand, one hundred sixty-six".