16980682 has 4 divisors (see below), whose sum is σ = 25471026. Its totient is φ = 8490340.

The previous prime is 16980679. The next prime is 16980697. The reversal of 16980682 is 28608961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28608961 = 89 ⋅321449.

It can be written as a sum of positive squares in only one way, i.e., 12047841 + 4932841 = 3471^2 + 2221^2 .

It is a super-2 number, since 2×16980682² = 576687122370248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4245169 + ... + 4245172.

Almost surely, 2^16980682 is an apocalyptic number.

16980682 is a deficient number, since it is larger than the sum of its proper divisors (8490344).

16980682 is an equidigital number, since it uses as much as digits as its factorization.

16980682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490343.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 16980682 is about 4120.7623081173. The cubic root of 16980682 is about 257.0307260371.

The spelling of 16980682 in words is "sixteen million, nine hundred eighty thousand, six hundred eighty-two".