127666164 has 24 divisors (see below), whose sum is σ = 299719840. Its totient is φ = 42293664.

The previous prime is 127666163. The next prime is 127666177. The reversal of 127666164 is 461666721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127666163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30679 + ... + 34590.

Almost surely, 2^127666164 is an apocalyptic number.

It is an amenable number.

127666164 is an abundant number, since it is smaller than the sum of its proper divisors (172053676).

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

127666164 is a wasteful number, since it uses less digits than its factorization.

127666164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65439 (or 65437 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 127666164 is about 11298.9452605099. The cubic root of 127666164 is about 503.5299062130.

The spelling of 127666164 in words is "one hundred twenty-seven million, six hundred sixty-six thousand, one hundred sixty-four".