16498943 has 4 divisors (see below), whose sum is σ = 16511040. Its totient is φ = 16486848.

The previous prime is 16498939. The next prime is 16498969. The reversal of 16498943 is 34989461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16498943 - 2² = 16498939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16498894 and 16498903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16494943) 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, 3698 + ... + 6831.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^16498943 is an apocalyptic number.

16498943 is a deficient number, since it is larger than the sum of its proper divisors (12097).

16498943 is a wasteful number, since it uses less digits than its factorization.

16498943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096.

The product of its digits is 186624, while the sum is 44.

The square root of 16498943 is about 4061.8890925283. The cubic root of 16498943 is about 254.5767321376.

The spelling of 16498943 in words is "sixteen million, four hundred ninety-eight thousand, nine hundred forty-three".