66836020582 has 8 divisors (see below), whose sum is σ = 101750359896. Its totient is φ = 32919233952.

The previous prime is 66836020549. The next prime is 66836020619. The reversal of 66836020582 is 28502063866.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249388003 + ... + 249388270.

It is an arithmetic number, because the mean of its divisors is an integer number (12718794987).

Almost surely, 2^66836020582 is an apocalyptic number.

66836020582 is a deficient number, since it is larger than the sum of its proper divisors (34914339314).

66836020582 is a wasteful number, since it uses less digits than its factorization.

66836020582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498776342.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 66836020582 in words is "sixty-six billion, eight hundred thirty-six million, twenty thousand, five hundred eighty-two".