127166660 has 12 divisors (see below), whose sum is σ = 267050028. Its totient is φ = 50866656.

The previous prime is 127166651. The next prime is 127166687. The reversal of 127166660 is 66661721.

It can be written as a sum of positive squares in 2 ways, for example, as 27206656 + 99960004 = 5216^2 + 9998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 127166660.

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, 3179147 + ... + 3179186.

It is an arithmetic number, because the mean of its divisors is an integer number (22254169).

Almost surely, 2^127166660 is an apocalyptic number.

127166660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127166660 is an abundant number, since it is smaller than the sum of its proper divisors (139883368).

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

127166660 is a wasteful number, since it uses less digits than its factorization.

127166660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358342 (or 6358340 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 127166660 is about 11276.8195870999. The cubic root of 127166660 is about 502.8723476408.

The spelling of 127166660 in words is "one hundred twenty-seven million, one hundred sixty-six thousand, six hundred sixty".