66084622685 has 8 divisors (see below), whose sum is σ = 79339630560. Its totient is φ = 52842309264.

The previous prime is 66084622663. The next prime is 66084622687. The reversal of 66084622685 is 58622648066.

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

It is a cyclic number.

It is not a de Polignac number, because 66084622685 - 2¹⁰ = 66084621661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66084622687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3162155 + ... + 3182984.

It is an arithmetic number, because the mean of its divisors is an integer number (9917453820).

Almost surely, 2^66084622685 is an apocalyptic number.

It is an amenable number.

66084622685 is a deficient number, since it is larger than the sum of its proper divisors (13255007875).

66084622685 is a wasteful number, since it uses less digits than its factorization.

66084622685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347227.

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 66084622685 in words is "sixty-six billion, eighty-four million, six hundred twenty-two thousand, six hundred eighty-five".