127987182445166 has 64 divisors (see below), whose sum is σ = 222611057809920. Its totient is φ = 54575499807360.

The previous prime is 127987182445099. The next prime is 127987182445207. The reversal of 127987182445166 is 661544281789721.

It is a self number, because there is not a number n which added to its sum of digits gives 127987182445166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735146120 + ... + 735320196.

It is an arithmetic number, because the mean of its divisors is an integer number (3478297778280).

Almost surely, 2^{127987182445166} is an apocalyptic number.

127987182445166 is a deficient number, since it is larger than the sum of its proper divisors (94623875364754).

127987182445166 is a wasteful number, since it uses less digits than its factorization.

127987182445166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191289.

The product of its digits is 325140480, while the sum is 71.

The spelling of 127987182445166 in words is "one hundred twenty-seven trillion, nine hundred eighty-seven billion, one hundred eighty-two million, four hundred forty-five thousand, one hundred sixty-six".