126555346642216 has 16 divisors (see below), whose sum is σ = 237292163558100. Its totient is φ = 63277436360064.

The previous prime is 126555346642177. The next prime is 126555346642271. The reversal of 126555346642216 is 612246643555621.

It can be written as a sum of positive squares in 2 ways, for example, as 125792599432900 + 762747209316 = 11215730^2 + 873354^2 .

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, 27339981 + ... + 31632028.

Almost surely, 2^{126555346642216} is an apocalyptic number.

It is an amenable number.

126555346642216 is a deficient number, since it is larger than the sum of its proper divisors (110736816915884).

126555346642216 is a wasteful number, since it uses less digits than its factorization.

126555346642216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59240268 (or 59240264 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 58.

The spelling of 126555346642216 in words is "one hundred twenty-six trillion, five hundred fifty-five billion, three hundred forty-six million, six hundred forty-two thousand, two hundred sixteen".