82146408566 has 8 divisors (see below), whose sum is σ = 123273357024. Its totient is φ = 41055289560.

The previous prime is 82146408493. The next prime is 82146408583. The reversal of 82146408566 is 66580464128.

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

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 3 ways as a sum of consecutive naturals, for example, 8951630 + ... + 8960801.

It is an arithmetic number, because the mean of its divisors is an integer number (15409169628).

Almost surely, 2^82146408566 is an apocalyptic number.

82146408566 is a deficient number, since it is larger than the sum of its proper divisors (41126948458).

82146408566 is a wasteful number, since it uses less digits than its factorization.

82146408566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17914726.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 82146408566 in words is "eighty-two billion, one hundred forty-six million, four hundred eight thousand, five hundred sixty-six".