66301838017 has 4 divisors (see below), whose sum is σ = 66317366016. Its totient is φ = 66286310020.

The previous prime is 66301838003. The next prime is 66301838051. The reversal of 66301838017 is 71083810366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66301838017 - 2¹¹ = 66301835969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66301832017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7757593 + ... + 7766134.

It is an arithmetic number, because the mean of its divisors is an integer number (16579341504).

Almost surely, 2^66301838017 is an apocalyptic number.

It is an amenable number.

66301838017 is a deficient number, since it is larger than the sum of its proper divisors (15527999).

66301838017 is a wasteful number, since it uses less digits than its factorization.

66301838017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15527998.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 66301838017 in words is "sixty-six billion, three hundred one million, eight hundred thirty-eight thousand, seventeen".