16312044 has 48 divisors (see below), whose sum is σ = 46061568. Its totient is φ = 4386048.

The previous prime is 16312039. The next prime is 16312063. The reversal of 16312044 is 44021361.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 16312044.

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, 4284 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 2^16312044 is an apocalyptic number.

16312044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16312044 is an abundant number, since it is smaller than the sum of its proper divisors (29749524).

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

16312044 is a wasteful number, since it uses less digits than its factorization.

16312044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11454 (or 11452 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16312044 is about 4038.8171535736. The cubic root of 16312044 is about 253.6118028985.

The spelling of 16312044 in words is "sixteen million, three hundred twelve thousand, forty-four".