16133880 has 64 divisors (see below), whose sum is σ = 55319040. Its totient is φ = 3687552.

The previous prime is 16133863. The next prime is 16133893. The reversal of 16133880 is 8833161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 8764 + ... + 10443.

It is an arithmetic number, because the mean of its divisors is an integer number (864360).

Almost surely, 2^16133880 is an apocalyptic number.

16133880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16133880 is an abundant number, since it is smaller than the sum of its proper divisors (39185160).

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

16133880 is a wasteful number, since it uses less digits than its factorization.

16133880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19228 (or 19224 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16133880 is about 4016.7001381731. The cubic root of 16133880 is about 252.6850847014.

The spelling of 16133880 in words is "sixteen million, one hundred thirty-three thousand, eight hundred eighty".