66410263056433 has 16 divisors (see below), whose sum is σ = 66702449520000. Its totient is φ = 66118842881280.

The previous prime is 66410263056407. The next prime is 66410263056439. The reversal of 66410263056433 is 33465036201466.

It is a cyclic number.

It is not a de Polignac number, because 66410263056433 - 2²¹ = 66410260959281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66410263056439) 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 15 ways as a sum of consecutive naturals, for example, 460116348 + ... + 460260658.

It is an arithmetic number, because the mean of its divisors is an integer number (4168903095000).

Almost surely, 2^{66410263056433} is an apocalyptic number.

It is an amenable number.

66410263056433 is a deficient number, since it is larger than the sum of its proper divisors (292186463567).

66410263056433 is a wasteful number, since it uses less digits than its factorization.

66410263056433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146952.

The product of its (nonzero) digits is 5598720, while the sum is 49.

Adding to 66410263056433 its reverse (33465036201466), we get a palindrome (99875299257899).

The spelling of 66410263056433 in words is "sixty-six trillion, four hundred ten billion, two hundred sixty-three million, fifty-six thousand, four hundred thirty-three".