66456264467 has 2 divisors, whose sum is σ = 66456264468. Its totient is φ = 66456264466.

The previous prime is 66456264443. The next prime is 66456264473. The reversal of 66456264467 is 76446265466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66456264467 - 2⁸ = 66456264211 is a prime.

It is not a weakly prime, because it can be changed into another prime (66456264487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33228132233 + 33228132234.

It is an arithmetic number, because the mean of its divisors is an integer number (33228132234).

Almost surely, 2^66456264467 is an apocalyptic number.

66456264467 is a deficient number, since it is larger than the sum of its proper divisors (1).

66456264467 is an equidigital number, since it uses as much as digits as its factorization.

66456264467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 56.

Subtracting 66456264467 from its reverse (76446265466), we obtain a palindrome (9990000999).

The spelling of 66456264467 in words is "sixty-six billion, four hundred fifty-six million, two hundred sixty-four thousand, four hundred sixty-seven".