66168010579 has 8 divisors (see below), whose sum is σ = 72185220720. Its totient is φ = 60151123200.

The previous prime is 66168010547. The next prime is 66168010591. The reversal of 66168010579 is 97501086166.

It is a happy number.

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 66168010579 - 2⁵ = 66168010547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66168010379) 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, 591387 + ... + 694315.

It is an arithmetic number, because the mean of its divisors is an integer number (9023152590).

Almost surely, 2^66168010579 is an apocalyptic number.

66168010579 is a deficient number, since it is larger than the sum of its proper divisors (6017210141).

66168010579 is a wasteful number, since it uses less digits than its factorization.

66168010579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161381.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 66168010579 in words is "sixty-six billion, one hundred sixty-eight million, ten thousand, five hundred seventy-nine".