16261344 has 192 divisors, whose sum is σ = 54432000. Its totient is φ = 4677120.

The previous prime is 16261339. The next prime is 16261351. The reversal of 16261344 is 44316261.

16261344 is a `hidden beast` number, since 1 + 6 + 2 + 613 + 44 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275587 + ... + 275645.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^16261344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16261344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27216000).

16261344 is an abundant number, since it is smaller than the sum of its proper divisors (38170656).

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

16261344 is a wasteful number, since it uses less digits than its factorization.

16261344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 104 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 16261344 is about 4032.5356787014. The cubic root of 16261344 is about 253.3487771441.

The spelling of 16261344 in words is "sixteen million, two hundred sixty-one thousand, three hundred forty-four".