16807868 has 60 divisors (see below), whose sum is σ = 37878960. Its totient is φ = 6388800.

The previous prime is 16807867. The next prime is 16807873. The reversal of 16807868 is 86870861.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16807867) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 409928 + ... + 409968.

It is an arithmetic number, because the mean of its divisors is an integer number (631316).

Almost surely, 2^16807868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16807868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18939480).

16807868 is an abundant number, since it is smaller than the sum of its proper divisors (21071092).

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

16807868 is an equidigital number, since it uses as much as digits as its factorization.

16807868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 16807868 is about 4099.7399917556. The cubic root of 16807868 is about 256.1558092847.

The spelling of 16807868 in words is "sixteen million, eight hundred seven thousand, eight hundred sixty-eight".