16388080 has 40 divisors (see below), whose sum is σ = 38426112. Its totient is φ = 6499584.

The previous prime is 16388059. The next prime is 16388081. The reversal of 16388080 is 8088361.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16388081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9354 + ... + 10966.

Almost surely, 2^16388080 is an apocalyptic number.

16388080 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 16388080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19213056).

16388080 is an abundant number, since it is smaller than the sum of its proper divisors (22038032).

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

16388080 is a wasteful number, since it uses less digits than its factorization.

16388080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 16388080 is about 4048.2193616453. The cubic root of 16388080 is about 254.0052492353.

The spelling of 16388080 in words is "sixteen million, three hundred eighty-eight thousand, eighty".