82016990 has 16 divisors (see below), whose sum is σ = 161051760. Its totient is φ = 29824320.

The previous prime is 82016989. The next prime is 82017029. The reversal of 82016990 is 9961028.

It is a self number, because there is not a number n which added to its sum of digits gives 82016990.

It is a congruent number.

It is an unprimeable number.

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, 372695 + ... + 372914.

It is an arithmetic number, because the mean of its divisors is an integer number (10065735).

Almost surely, 2^82016990 is an apocalyptic number.

82016990 is a deficient number, since it is larger than the sum of its proper divisors (79034770).

82016990 is a wasteful number, since it uses less digits than its factorization.

82016990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745627.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 82016990 is about 9056.3232053632. The cubic root of 82016990 is about 434.4781516838.

The spelling of 82016990 in words is "eighty-two million, sixteen thousand, nine hundred ninety".