82642512266 has 8 divisors (see below), whose sum is σ = 125709737184. Its totient is φ = 40739266540.

The previous prime is 82642512241. The next prime is 82642512317. The reversal of 82642512266 is 66221524628.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290994620 + ... + 290994903.

It is an arithmetic number, because the mean of its divisors is an integer number (15713717148).

Almost surely, 2^82642512266 is an apocalyptic number.

82642512266 is a deficient number, since it is larger than the sum of its proper divisors (43067224918).

82642512266 is a wasteful number, since it uses less digits than its factorization.

82642512266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581989596.

The product of its digits is 552960, while the sum is 44.

The spelling of 82642512266 in words is "eighty-two billion, six hundred forty-two million, five hundred twelve thousand, two hundred sixty-six".