16451144 has 16 divisors (see below), whose sum is σ = 30985200. Its totient is φ = 8188432.

The previous prime is 16451137. The next prime is 16451153. The reversal of 16451144 is 44115461.

It is an unprimeable number.

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, 2714 + ... + 6345.

It is an arithmetic number, because the mean of its divisors is an integer number (1936575).

Almost surely, 2^16451144 is an apocalyptic number.

It is an amenable number.

16451144 is a deficient number, since it is larger than the sum of its proper divisors (14534056).

16451144 is a wasteful number, since it uses less digits than its factorization.

16451144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292 (or 9288 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 16451144 is about 4056.0009861932. Note that the first 3 decimals coincide. The cubic root of 16451144 is about 254.3306500445.

The spelling of 16451144 in words is "sixteen million, four hundred fifty-one thousand, one hundred forty-four".