16053749 has 4 divisors (see below), whose sum is σ = 16427136. Its totient is φ = 15680364.

The previous prime is 16053703. The next prime is 16053757. The reversal of 16053749 is 94735061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16053749 - 2¹⁶ = 15988213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16053949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186629 + ... + 186714.

It is an arithmetic number, because the mean of its divisors is an integer number (4106784).

Almost surely, 2^16053749 is an apocalyptic number.

It is an amenable number.

16053749 is a deficient number, since it is larger than the sum of its proper divisors (373387).

16053749 is an equidigital number, since it uses as much as digits as its factorization.

16053749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373386.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 16053749 is about 4006.7129919674. The cubic root of 16053749 is about 252.2660591765.

The spelling of 16053749 in words is "sixteen million, fifty-three thousand, seven hundred forty-nine".