66126466883 has 2 divisors, whose sum is σ = 66126466884. Its totient is φ = 66126466882.

The previous prime is 66126466877. The next prime is 66126466891. The reversal of 66126466883 is 38866462166.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66126466883 - 2⁴ = 66126466867 is a prime.

It is not a weakly prime, because it can be changed into another prime (66126466843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33063233441 + 33063233442.

It is an arithmetic number, because the mean of its divisors is an integer number (33063233442).

Almost surely, 2^66126466883 is an apocalyptic number.

66126466883 is a deficient number, since it is larger than the sum of its proper divisors (1).

66126466883 is an equidigital number, since it uses as much as digits as its factorization.

66126466883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11943936, while the sum is 56.

The spelling of 66126466883 in words is "sixty-six billion, one hundred twenty-six million, four hundred sixty-six thousand, eight hundred eighty-three".