16104140 has 48 divisors (see below), whose sum is σ = 38017728. Its totient is φ = 5685504.

The previous prime is 16104131. The next prime is 16104157. The reversal of 16104140 is 4140161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4634 + ... + 7326.

It is an arithmetic number, because the mean of its divisors is an integer number (792036).

Almost surely, 2^16104140 is an apocalyptic number.

16104140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16104140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19008864).

16104140 is an abundant number, since it is smaller than the sum of its proper divisors (21913588).

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

16104140 is a wasteful number, since it uses less digits than its factorization.

16104140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 16104140 is about 4012.9963867415. The cubic root of 16104140 is about 252.5297288788.

The spelling of 16104140 in words is "sixteen million, one hundred four thousand, one hundred forty".