16749033 has 32 divisors (see below), whose sum is σ = 26745600. Its totient is φ = 9313920.

The previous prime is 16749017. The next prime is 16749053. The reversal of 16749033 is 33094761.

It is not a de Polignac number, because 16749033 - 2⁴ = 16749017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16748985 and 16749003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16749053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41991 + ... + 42387.

It is an arithmetic number, because the mean of its divisors is an integer number (835800).

Almost surely, 2^16749033 is an apocalyptic number.

It is an amenable number.

16749033 is a deficient number, since it is larger than the sum of its proper divisors (9996567).

16749033 is an equidigital number, since it uses as much as digits as its factorization.

16749033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 16749033 is about 4092.5582463784. The cubic root of 16749033 is about 255.8565735082.

The spelling of 16749033 in words is "sixteen million, seven hundred forty-nine thousand, thirty-three".