16087040 has 48 divisors (see below), whose sum is σ = 38624040. Its totient is φ = 6430720.

The previous prime is 16087039. The next prime is 16087061. The reversal of 16087040 is 4078061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9455 + ... + 11025.

Almost surely, 2^16087040 is an apocalyptic number.

16087040 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 16087040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19312020).

16087040 is an abundant number, since it is smaller than the sum of its proper divisors (22537000).

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

16087040 is an equidigital number, since it uses as much as digits as its factorization.

16087040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 16087040 is about 4010.8652433110. The cubic root of 16087040 is about 252.4403152726.

The spelling of 16087040 in words is "sixteen million, eighty-seven thousand, forty".