66485023077 has 8 divisors (see below), whose sum is σ = 96705488160. Its totient is φ = 40293953360.

The previous prime is 66485023069. The next prime is 66485023081. The reversal of 66485023077 is 77032058466.

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 66485023077 - 2³ = 66485023069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66485023027) 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, 1007348802 + ... + 1007348867.

It is an arithmetic number, because the mean of its divisors is an integer number (12088186020).

Almost surely, 2^66485023077 is an apocalyptic number.

It is an amenable number.

66485023077 is a deficient number, since it is larger than the sum of its proper divisors (30220465083).

66485023077 is a wasteful number, since it uses less digits than its factorization.

66485023077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014697683.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 66485023077 in words is "sixty-six billion, four hundred eighty-five million, twenty-three thousand, seventy-seven".