16682388 has 12 divisors (see below), whose sum is σ = 38925600. Its totient is φ = 5560792.

The previous prime is 16682381. The next prime is 16682401. The reversal of 16682388 is 88328661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16682381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695088 + ... + 695111.

It is an arithmetic number, because the mean of its divisors is an integer number (3243800).

Almost surely, 2^16682388 is an apocalyptic number.

It is an amenable number.

16682388 is an abundant number, since it is smaller than the sum of its proper divisors (22243212).

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

16682388 is a wasteful number, since it uses less digits than its factorization.

16682388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390206 (or 1390204 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 16682388 is about 4084.4079130273. The cubic root of 16682388 is about 255.5167682644.

The spelling of 16682388 in words is "sixteen million, six hundred eighty-two thousand, three hundred eighty-eight".