16311344 has 20 divisors (see below), whose sum is σ = 36118224. Its totient is φ = 6990528.

The previous prime is 16311343. The next prime is 16311359. The reversal of 16311344 is 44311361.

It is not an unprimeable number, because it can be changed into a prime (16311341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72707 + ... + 72930.

Almost surely, 2^16311344 is an apocalyptic number.

16311344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16311344 is an abundant number, since it is smaller than the sum of its proper divisors (19806880).

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

16311344 is a wasteful number, since it uses less digits than its factorization.

16311344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145652 (or 145646 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 16311344 is about 4038.7304936081. The cubic root of 16311344 is about 253.6081750923.

The spelling of 16311344 in words is "sixteen million, three hundred eleven thousand, three hundred forty-four".