16493743 has 12 divisors (see below), whose sum is σ = 19256880. Its totient is φ = 14085792.

The previous prime is 16493731. The next prime is 16493753. The reversal of 16493743 is 34739461.

It is a de Polignac number, because none of the positive numbers 2^k-16493743 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 (16493713) 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 11 ways as a sum of consecutive naturals, for example, 19630 + ... + 20452.

It is an arithmetic number, because the mean of its divisors is an integer number (1604740).

Almost surely, 2^16493743 is an apocalyptic number.

16493743 is a deficient number, since it is larger than the sum of its proper divisors (2763137).

16493743 is an equidigital number, since it uses as much as digits as its factorization.

16493743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1239 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 16493743 is about 4061.2489458293. The cubic root of 16493743 is about 254.5499841997.

The spelling of 16493743 in words is "sixteen million, four hundred ninety-three thousand, seven hundred forty-three".