82481566 has 8 divisors (see below), whose sum is σ = 123827184. Its totient is φ = 41205840.

The previous prime is 82481561. The next prime is 82481591. The reversal of 82481566 is 66518428.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82481561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14415 + ... + 19306.

It is an arithmetic number, because the mean of its divisors is an integer number (15478398).

Almost surely, 2^82481566 is an apocalyptic number.

82481566 is a deficient number, since it is larger than the sum of its proper divisors (41345618).

82481566 is a wasteful number, since it uses less digits than its factorization.

82481566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34946.

The product of its digits is 92160, while the sum is 40.

The square root of 82481566 is about 9081.9362472988. The cubic root of 82481566 is about 435.2969584591.

The spelling of 82481566 in words is "eighty-two million, four hundred eighty-one thousand, five hundred sixty-six".