127166663724 has 12 divisors (see below), whose sum is σ = 296722215384. Its totient is φ = 42388887904.

The previous prime is 127166663699. The next prime is 127166663737. The reversal of 127166663724 is 427366661721.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5298610977 + ... + 5298611000.

It is an arithmetic number, because the mean of its divisors is an integer number (24726851282).

Almost surely, 2^127166663724 is an apocalyptic number.

It is an amenable number.

127166663724 is an abundant number, since it is smaller than the sum of its proper divisors (169555551660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127166663724 is a wasteful number, since it uses less digits than its factorization.

127166663724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597221984 (or 10597221982 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 127166663724 in words is "one hundred twenty-seven billion, one hundred sixty-six million, six hundred sixty-three thousand, seven hundred twenty-four".