16109868 has 12 divisors (see below), whose sum is σ = 37589720. Its totient is φ = 5369952.

The previous prime is 16109839. The next prime is 16109869. The reversal of 16109868 is 86890161.

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

It is not an unprimeable number, because it can be changed into a prime (16109869) 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 3 ways as a sum of consecutive naturals, for example, 671233 + ... + 671256.

Almost surely, 2^16109868 is an apocalyptic number.

It is an amenable number.

16109868 is an abundant number, since it is smaller than the sum of its proper divisors (21479852).

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

16109868 is a wasteful number, since it uses less digits than its factorization.

16109868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342496 (or 1342494 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 16109868 is about 4013.7100044722. The cubic root of 16109868 is about 252.5596656699.

The spelling of 16109868 in words is "sixteen million, one hundred nine thousand, eight hundred sixty-eight".