666113104464651 has 32 divisors (see below), whose sum is σ = 1013910344286720. Its totient is φ = 431900741237472.

The previous prime is 666113104464649. The next prime is 666113104464707. The reversal of 666113104464651 is 156464401311666.

It is not a de Polignac number, because 666113104464651 - 2¹ = 666113104464649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (666113104464611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130695645 + ... + 135696638.

It is an arithmetic number, because the mean of its divisors is an integer number (31684698258960).

Almost surely, 2^{666113104464651} is an apocalyptic number.

666113104464651 is a deficient number, since it is larger than the sum of its proper divisors (347797239822069).

666113104464651 is a wasteful number, since it uses less digits than its factorization.

666113104464651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266394832 (or 266394826 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 666113104464651 in words is "six hundred sixty-six trillion, one hundred thirteen billion, one hundred four million, four hundred sixty-four thousand, six hundred fifty-one".