16982705 has 8 divisors (see below), whose sum is σ = 20713704. Its totient is φ = 13363200.

The previous prime is 16982701. The next prime is 16982723. The reversal of 16982705 is 50728961.

It can be written as a sum of positive squares in 4 ways, for example, as 64 + 16982641 = 8^2 + 4121^2 .

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

It is not a de Polignac number, because 16982705 - 2² = 16982701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16982701) 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, 27536 + ... + 28145.

It is an arithmetic number, because the mean of its divisors is an integer number (2589213).

Almost surely, 2^16982705 is an apocalyptic number.

It is an amenable number.

16982705 is a deficient number, since it is larger than the sum of its proper divisors (3730999).

16982705 is an equidigital number, since it uses as much as digits as its factorization.

16982705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55747.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 16982705 is about 4121.0077650982. The cubic root of 16982705 is about 257.0409327829.

The spelling of 16982705 in words is "sixteen million, nine hundred eighty-two thousand, seven hundred five".