66700044337 has 8 divisors (see below), whose sum is σ = 68670252200. Its totient is φ = 64738652544.

The previous prime is 66700044319. The next prime is 66700044343. The reversal of 66700044337 is 73344000766.

66700044337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50632200256 + 16067844081 = 225016^2 + 126759^2 .

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

It is not a de Polignac number, because 66700044337 - 2⁷ = 66700044209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66700044337.

It is not an unprimeable number, because it can be changed into a prime (66700044317) 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, 2188662 + ... + 2218927.

It is an arithmetic number, because the mean of its divisors is an integer number (8583781525).

Almost surely, 2^66700044337 is an apocalyptic number.

It is an amenable number.

66700044337 is a deficient number, since it is larger than the sum of its proper divisors (1970207863).

66700044337 is a wasteful number, since it uses less digits than its factorization.

66700044337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408035.

The product of its (nonzero) digits is 254016, while the sum is 40.

The spelling of 66700044337 in words is "sixty-six billion, seven hundred million, forty-four thousand, three hundred thirty-seven".