66200406683 has 2 divisors, whose sum is σ = 66200406684. Its totient is φ = 66200406682.

The previous prime is 66200406631. The next prime is 66200406731. The reversal of 66200406683 is 38660400266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66200406683 - 2¹⁴ = 66200390299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66200406683.

It is not a weakly prime, because it can be changed into another prime (66200405683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33100203341 + 33100203342.

It is an arithmetic number, because the mean of its divisors is an integer number (33100203342).

Almost surely, 2^66200406683 is an apocalyptic number.

66200406683 is a deficient number, since it is larger than the sum of its proper divisors (1).

66200406683 is an equidigital number, since it uses as much as digits as its factorization.

66200406683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 66200406683 in words is "sixty-six billion, two hundred million, four hundred six thousand, six hundred eighty-three".