66382949262583 has 2 divisors, whose sum is σ = 66382949262584. Its totient is φ = 66382949262582.

The previous prime is 66382949262541. The next prime is 66382949262629. The reversal of 66382949262583 is 38526294928366.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66382949262583 - 2¹⁷ = 66382949131511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66382949262683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33191474631291 + 33191474631292.

It is an arithmetic number, because the mean of its divisors is an integer number (33191474631292).

Almost surely, 2^{66382949262583} is an apocalyptic number.

66382949262583 is a deficient number, since it is larger than the sum of its proper divisors (1).

66382949262583 is an equidigital number, since it uses as much as digits as its factorization.

66382949262583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612431360, while the sum is 73.

The spelling of 66382949262583 in words is "sixty-six trillion, three hundred eighty-two billion, nine hundred forty-nine million, two hundred sixty-two thousand, five hundred eighty-three".