66572613463 has 2 divisors, whose sum is σ = 66572613464. Its totient is φ = 66572613462.

The previous prime is 66572613433. The next prime is 66572613493. The reversal of 66572613463 is 36431627566.

66572613463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (66572613433) and next prime (66572613493).

It is a cyclic number.

It is not a de Polignac number, because 66572613463 - 2⁵ = 66572613431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66572613403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33286306731 + 33286306732.

It is an arithmetic number, because the mean of its divisors is an integer number (33286306732).

Almost surely, 2^66572613463 is an apocalyptic number.

66572613463 is a deficient number, since it is larger than the sum of its proper divisors (1).

66572613463 is an equidigital number, since it uses as much as digits as its factorization.

66572613463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 49.

The spelling of 66572613463 in words is "sixty-six billion, five hundred seventy-two million, six hundred thirteen thousand, four hundred sixty-three".