127335320165866 has 16 divisors (see below), whose sum is σ = 196172225305056. Its totient is φ = 61944701245776.

The previous prime is 127335320165831. The next prime is 127335320165891. The reversal of 127335320165866 is 668561023533721.

It is a self number, because there is not a number n which added to its sum of digits gives 127335320165866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28624036 + ... + 32772031.

It is an arithmetic number, because the mean of its divisors is an integer number (12260764081566).

Almost surely, 2^{127335320165866} is an apocalyptic number.

127335320165866 is a deficient number, since it is larger than the sum of its proper divisors (68836905139190).

127335320165866 is a wasteful number, since it uses less digits than its factorization.

127335320165866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61424133.

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 127335320165866 in words is "one hundred twenty-seven trillion, three hundred thirty-five billion, three hundred twenty million, one hundred sixty-five thousand, eight hundred sixty-six".