66332117593663 has 8 divisors (see below), whose sum is σ = 71308883416320. Its totient is φ = 61503911944920.

The previous prime is 66332117593661. The next prime is 66332117593717. The reversal of 66332117593663 is 36639571123366.

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 66332117593663 - 2¹ = 66332117593661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66332117593661) 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, 37140042553 + ... + 37140044338.

It is an arithmetic number, because the mean of its divisors is an integer number (8913610427040).

Almost surely, 2^{66332117593663} is an apocalyptic number.

66332117593663 is a deficient number, since it is larger than the sum of its proper divisors (4976765822657).

66332117593663 is a wasteful number, since it uses less digits than its factorization.

66332117593663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74280086957.

The product of its digits is 66134880, while the sum is 61.

The spelling of 66332117593663 in words is "sixty-six trillion, three hundred thirty-two billion, one hundred seventeen million, five hundred ninety-three thousand, six hundred sixty-three".