66165262582 has 16 divisors (see below), whose sum is σ = 99559342080. Its totient is φ = 32978945448.

The previous prime is 66165262571. The next prime is 66165262633. The reversal of 66165262582 is 28526256166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010443 + ... + 1073929.

It is an arithmetic number, because the mean of its divisors is an integer number (6222458880).

Almost surely, 2^66165262582 is an apocalyptic number.

66165262582 is a deficient number, since it is larger than the sum of its proper divisors (33394079498).

66165262582 is a wasteful number, since it uses less digits than its factorization.

66165262582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65115.

The product of its digits is 2073600, while the sum is 49.

The spelling of 66165262582 in words is "sixty-six billion, one hundred sixty-five million, two hundred sixty-two thousand, five hundred eighty-two".