66063083699 has 16 divisors (see below), whose sum is σ = 70240307328. Its totient is φ = 61918467072.

The previous prime is 66063083663. The next prime is 66063083711. The reversal of 66063083699 is 99638036066.

It is a cyclic number.

It is not a de Polignac number, because 66063083699 - 2¹² = 66063079603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66063083399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13780847 + ... + 13785639.

It is an arithmetic number, because the mean of its divisors is an integer number (4390019208).

Almost surely, 2^66063083699 is an apocalyptic number.

66063083699 is a deficient number, since it is larger than the sum of its proper divisors (4177223629).

66063083699 is a wasteful number, since it uses less digits than its factorization.

66063083699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014.

The product of its (nonzero) digits is 7558272, while the sum is 56.

The spelling of 66063083699 in words is "sixty-six billion, sixty-three million, eighty-three thousand, six hundred ninety-nine".