66014122507 has 2 divisors, whose sum is σ = 66014122508. Its totient is φ = 66014122506.

The previous prime is 66014122487. The next prime is 66014122567. The reversal of 66014122507 is 70522141066.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66014122507 is a prime.

It is not a weakly prime, because it can be changed into another prime (66014122567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33007061253 + 33007061254.

It is an arithmetic number, because the mean of its divisors is an integer number (33007061254).

Almost surely, 2^66014122507 is an apocalyptic number.

66014122507 is a deficient number, since it is larger than the sum of its proper divisors (1).

66014122507 is an equidigital number, since it uses as much as digits as its factorization.

66014122507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 66014122507 in words is "sixty-six billion, fourteen million, one hundred twenty-two thousand, five hundred seven".