66044774307 has 8 divisors (see below), whose sum is σ = 92694420160. Its totient is φ = 41712489000.

The previous prime is 66044774281. The next prime is 66044774399. The reversal of 66044774307 is 70347744066.

66044774307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 66044774307 - 2¹¹ = 66044772259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66044574307) 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, 579340069 + ... + 579340182.

It is an arithmetic number, because the mean of its divisors is an integer number (11586802520).

Almost surely, 2^66044774307 is an apocalyptic number.

66044774307 is a deficient number, since it is larger than the sum of its proper divisors (26649645853).

66044774307 is a wasteful number, since it uses less digits than its factorization.

66044774307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158680273.

The product of its (nonzero) digits is 2370816, while the sum is 48.

The spelling of 66044774307 in words is "sixty-six billion, forty-four million, seven hundred seventy-four thousand, three hundred seven".