66148316723 has 2 divisors, whose sum is σ = 66148316724. Its totient is φ = 66148316722.

The previous prime is 66148316713. The next prime is 66148316753. The reversal of 66148316723 is 32761384166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66148316723 - 2²⁶ = 66081207859 is a prime.

It is not a weakly prime, because it can be changed into another prime (66148316713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33074158361 + 33074158362.

It is an arithmetic number, because the mean of its divisors is an integer number (33074158362).

Almost surely, 2^66148316723 is an apocalyptic number.

66148316723 is a deficient number, since it is larger than the sum of its proper divisors (1).

66148316723 is an equidigital number, since it uses as much as digits as its factorization.

66148316723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The spelling of 66148316723 in words is "sixty-six billion, one hundred forty-eight million, three hundred sixteen thousand, seven hundred twenty-three".