66282066643 has 8 divisors (see below), whose sum is σ = 72727493328. Its totient is φ = 60029040864.

The previous prime is 66282066629. The next prime is 66282066647. The reversal of 66282066643 is 34666028266.

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

It is not a de Polignac number, because 66282066643 - 2²¹ = 66279969491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66282066647) 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, 48099505 + ... + 48100882.

It is an arithmetic number, because the mean of its divisors is an integer number (9090936666).

Almost surely, 2^66282066643 is an apocalyptic number.

66282066643 is a deficient number, since it is larger than the sum of its proper divisors (6445426685).

66282066643 is a wasteful number, since it uses less digits than its factorization.

66282066643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96200453.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 66282066643 in words is "sixty-six billion, two hundred eighty-two million, sixty-six thousand, six hundred forty-three".