66168010578 has 8 divisors (see below), whose sum is σ = 132336021168. Its totient is φ = 22056003524.

The previous prime is 66168010547. The next prime is 66168010591. The reversal of 66168010578 is 87501086166.

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

66168010578 is an admirable number.

It is a Curzon 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, 5514000876 + ... + 5514000887.

It is an arithmetic number, because the mean of its divisors is an integer number (16542002646).

Almost surely, 2^66168010578 is an apocalyptic number.

66168010578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66168010578 is a wasteful number, since it uses less digits than its factorization.

66168010578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11028001768.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 66168010578 in words is "sixty-six billion, one hundred sixty-eight million, ten thousand, five hundred seventy-eight".