127168726266 has 12 divisors (see below), whose sum is σ = 275532240282. Its totient is φ = 42389575416.

The previous prime is 127168726261. The next prime is 127168726271. The reversal of 127168726266 is 662627861721.

It is a happy number.

127168726266 is a `hidden beast` number, since 1 + 2 + 7 + 1 + 6 + 8 + 7 + 2 + 626 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (127168726261) and next prime (127168726271).

It can be written as a sum of positive squares in only one way, i.e., 117874802241 + 9293924025 = 343329^2 + 96405^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127168726261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3532464601 + ... + 3532464636.

Almost surely, 2^127168726266 is an apocalyptic number.

127168726266 is an abundant number, since it is smaller than the sum of its proper divisors (148363514016).

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

127168726266 is a wasteful number, since it uses less digits than its factorization.

127168726266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064929245 (or 7064929242 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 127168726266 in words is "one hundred twenty-seven billion, one hundred sixty-eight million, seven hundred twenty-six thousand, two hundred sixty-six".