66043319083 has 8 divisors (see below), whose sum is σ = 75480931040. Its totient is φ = 56606420160.

The previous prime is 66043319039. The next prime is 66043319107. The reversal of 66043319083 is 38091334066.

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 66043319083 - 2¹³ = 66043310891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66043319003) 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 7 ways as a sum of consecutive naturals, for example, 37663 + ... + 365383.

It is an arithmetic number, because the mean of its divisors is an integer number (9435116380).

Almost surely, 2^66043319083 is an apocalyptic number.

66043319083 is a deficient number, since it is larger than the sum of its proper divisors (9437611957).

66043319083 is a wasteful number, since it uses less digits than its factorization.

66043319083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356517.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 66043319083 in words is "sixty-six billion, forty-three million, three hundred nineteen thousand, eighty-three".