16868806 has 4 divisors (see below), whose sum is σ = 25303212. Its totient is φ = 8434402.

The previous prime is 16868801. The next prime is 16868833. The reversal of 16868806 is 60886861.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4217200 + ... + 4217203.

It is an arithmetic number, because the mean of its divisors is an integer number (6325803).

Almost surely, 2^16868806 is an apocalyptic number.

16868806 is a deficient number, since it is larger than the sum of its proper divisors (8434406).

16868806 is an equidigital number, since it uses as much as digits as its factorization.

16868806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434405.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 16868806 is about 4107.1652024237. The cubic root of 16868806 is about 256.4650056692.

The spelling of 16868806 in words is "sixteen million, eight hundred sixty-eight thousand, eight hundred six".