127158066676 has 6 divisors (see below), whose sum is σ = 222526616690. Its totient is φ = 63579033336.

The previous prime is 127158066661. The next prime is 127158066677. The reversal of 127158066676 is 676660851721.

It can be written as a sum of positive squares in only one way, i.e., 103542368400 + 23615698276 = 321780^2 + 153674^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127158066677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15894758331 + ... + 15894758338.

Almost surely, 2^127158066676 is an apocalyptic number.

It is an amenable number.

127158066676 is a deficient number, since it is larger than the sum of its proper divisors (95368550014).

127158066676 is a wasteful number, since it uses less digits than its factorization.

127158066676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31789516673 (or 31789516671 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 127158066676 in words is "one hundred twenty-seven billion, one hundred fifty-eight million, sixty-six thousand, six hundred seventy-six".