66147322683 has 8 divisors (see below), whose sum is σ = 94980771088. Its totient is φ = 40706044704.

The previous prime is 66147322667. The next prime is 66147322753. The reversal of 66147322683 is 38622374166.

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

It is not a de Polignac number, because 66147322683 - 2⁴ = 66147322667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66147322583) 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, 848042560 + ... + 848042637.

It is an arithmetic number, because the mean of its divisors is an integer number (11872596386).

Almost surely, 2^66147322683 is an apocalyptic number.

66147322683 is a deficient number, since it is larger than the sum of its proper divisors (28833448405).

66147322683 is a wasteful number, since it uses less digits than its factorization.

66147322683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696085213.

The product of its digits is 1741824, while the sum is 48.

The spelling of 66147322683 in words is "sixty-six billion, one hundred forty-seven million, three hundred twenty-two thousand, six hundred eighty-three".