16498313 has 8 divisors (see below), whose sum is σ = 18812808. Its totient is φ = 14333184.

The previous prime is 16498309. The next prime is 16498319. The reversal of 16498313 is 31389461.

It can be written as a sum of positive squares in 4 ways, for example, as 4129024 + 12369289 = 2032^2 + 3517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16498313 - 2² = 16498309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16498319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37106 + ... + 37547.

It is an arithmetic number, because the mean of its divisors is an integer number (2351601).

Almost surely, 2^16498313 is an apocalyptic number.

16498313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16498313 is a deficient number, since it is larger than the sum of its proper divisors (2314495).

16498313 is a wasteful number, since it uses less digits than its factorization.

16498313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74683.

The product of its digits is 15552, while the sum is 35.

The square root of 16498313 is about 4061.8115416646. The cubic root of 16498313 is about 254.5734918212.

The spelling of 16498313 in words is "sixteen million, four hundred ninety-eight thousand, three hundred thirteen".