82080413266 has 4 divisors (see below), whose sum is σ = 123120619902. Its totient is φ = 41040206632.

The previous prime is 82080413257. The next prime is 82080413273. The reversal of 82080413266 is 66231408028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73492499025 + 8587914241 = 271095^2 + 92671^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20520103315 + ... + 20520103318.

Almost surely, 2^82080413266 is an apocalyptic number.

82080413266 is a deficient number, since it is larger than the sum of its proper divisors (41040206636).

82080413266 is a wasteful number, since it uses less digits than its factorization.

82080413266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41040206635.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 82080413266 in words is "eighty-two billion, eighty million, four hundred thirteen thousand, two hundred sixty-six".