16133244 has 24 divisors (see below), whose sum is σ = 37723728. Its totient is φ = 5366400.

The previous prime is 16133239. The next prime is 16133287. The reversal of 16133244 is 44233161.

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 7 ways as a sum of consecutive naturals, for example, 6094 + ... + 8330.

It is an arithmetic number, because the mean of its divisors is an integer number (1571822).

Almost surely, 2^16133244 is an apocalyptic number.

It is an amenable number.

16133244 is an abundant number, since it is smaller than the sum of its proper divisors (21590484).

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

16133244 is a wasteful number, since it uses less digits than its factorization.

16133244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845 (or 2843 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 16133244 is about 4016.6209679281. The cubic root of 16133244 is about 252.6817643629.

The spelling of 16133244 in words is "sixteen million, one hundred thirty-three thousand, two hundred forty-four".