16801344 has 140 divisors (see below), whose sum is σ = 57042304. Its totient is φ = 4790016.

The previous prime is 16801333. The next prime is 16801363. The reversal of 16801344 is 44310861.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36057 + ... + 36519.

Almost surely, 2^16801344 is an apocalyptic number.

16801344 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 16801344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28521152).

16801344 is an abundant number, since it is smaller than the sum of its proper divisors (40240960).

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

16801344 is an equidigital number, since it uses as much as digits as its factorization.

16801344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 16801344 is about 4098.9442543172. The cubic root of 16801344 is about 256.1226625709.

The spelling of 16801344 in words is "sixteen million, eight hundred one thousand, three hundred forty-four".