16104144 has 120 divisors (see below), whose sum is σ = 49871808. Its totient is φ = 4462080.

The previous prime is 16104131. The next prime is 16104157. The reversal of 16104144 is 44140161.

It is an interprime number because it is at equal distance from previous prime (16104131) and next prime (16104157).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 16104144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96349 + ... + 96515.

Almost surely, 2^16104144 is an apocalyptic number.

16104144 is a gapful number since it is divisible by the number (14) 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 16104144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24935904).

16104144 is an abundant number, since it is smaller than the sum of its proper divisors (33767664).

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

16104144 is a wasteful number, since it uses less digits than its factorization.

16104144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 16104144 is about 4012.9968851221. The cubic root of 16104144 is about 252.5297497869.

The spelling of 16104144 in words is "sixteen million, one hundred four thousand, one hundred forty-four".