16313880 has 128 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 3717120.

The previous prime is 16313879. The next prime is 16313893. The reversal of 16313880 is 8831361.

It is a super-2 number, since 2×16313880² = 532285361308800, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22077 + ... + 22803.

It is an arithmetic number, because the mean of its divisors is an integer number (442260).

Almost surely, 2^16313880 is an apocalyptic number.

16313880 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 16313880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

16313880 is an abundant number, since it is smaller than the sum of its proper divisors (40295400).

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

16313880 is a wasteful number, since it uses less digits than its factorization.

16313880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

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

The square root of 16313880 is about 4039.0444414490. The cubic root of 16313880 is about 253.6213176227.

The spelling of 16313880 in words is "sixteen million, three hundred thirteen thousand, eight hundred eighty".