16948317 has 4 divisors (see below), whose sum is σ = 22597760. Its totient is φ = 11298876.

The previous prime is 16948313. The next prime is 16948319. The reversal of 16948317 is 71384961.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71384961 = 3 ⋅23794987.

It is not a de Polignac number, because 16948317 - 2² = 16948313 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 (16948313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824717 + ... + 2824722.

It is an arithmetic number, because the mean of its divisors is an integer number (5649440).

Almost surely, 2^16948317 is an apocalyptic number.

It is an amenable number.

16948317 is a deficient number, since it is larger than the sum of its proper divisors (5649443).

16948317 is an equidigital number, since it uses as much as digits as its factorization.

16948317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649442.

The product of its digits is 36288, while the sum is 39.

The square root of 16948317 is about 4116.8333704438. The cubic root of 16948317 is about 256.8673228979.

It can be divided in two parts, 1694 and 8317, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 16948317 in words is "sixteen million, nine hundred forty-eight thousand, three hundred seventeen".