16642982 has 16 divisors (see below), whose sum is σ = 25762752. Its totient is φ = 8059200.

The previous prime is 16642981. The next prime is 16643023. The reversal of 16642982 is 28924661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16642981) 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 7 ways as a sum of consecutive naturals, for example, 8618 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (1610172).

Almost surely, 2^16642982 is an apocalyptic number.

16642982 is a deficient number, since it is larger than the sum of its proper divisors (9119770).

16642982 is a wasteful number, since it uses less digits than its factorization.

16642982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903.

The product of its digits is 41472, while the sum is 38.

The square root of 16642982 is about 4079.5811059470. The cubic root of 16642982 is about 255.3154215465.

The spelling of 16642982 in words is "sixteen million, six hundred forty-two thousand, nine hundred eighty-two".