82251966 has 8 divisors (see below), whose sum is σ = 164503944. Its totient is φ = 27417320.

The previous prime is 82251929. The next prime is 82251977. The reversal of 82251966 is 66915228.

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

82251966 is an admirable number.

It is a congruent 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, 6854325 + ... + 6854336.

It is an arithmetic number, because the mean of its divisors is an integer number (20562993).

Almost surely, 2^82251966 is an apocalyptic number.

82251966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82251966 is a wasteful number, since it uses less digits than its factorization.

82251966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13708666.

The product of its digits is 51840, while the sum is 39.

The square root of 82251966 is about 9069.2869620494. The cubic root of 82251966 is about 434.8926779763.

The spelling of 82251966 in words is "eighty-two million, two hundred fifty-one thousand, nine hundred sixty-six".