16649754 has 32 divisors (see below), whose sum is σ = 36481536. Its totient is φ = 5023920.

The previous prime is 16649753. The next prime is 16649761. The reversal of 16649754 is 45794661.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16649753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22539 + ... + 23265.

It is an arithmetic number, because the mean of its divisors is an integer number (1140048).

Almost surely, 2^16649754 is an apocalyptic number.

16649754 is an abundant number, since it is smaller than the sum of its proper divisors (19831782).

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

16649754 is a wasteful number, since it uses less digits than its factorization.

16649754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its digits is 181440, while the sum is 42.

The square root of 16649754 is about 4080.4110087098. The cubic root of 16649754 is about 255.3500459822.

The spelling of 16649754 in words is "sixteen million, six hundred forty-nine thousand, seven hundred fifty-four".