266120006271 has 32 divisors (see below), whose sum is σ = 414486374400. Its totient is φ = 148710107136.

The previous prime is 266120006267. The next prime is 266120006281. The reversal of 266120006271 is 172600021662.

It is not a de Polignac number, because 266120006271 - 2² = 266120006267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266120006281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1090405 + ... + 1311953.

It is an arithmetic number, because the mean of its divisors is an integer number (12952699200).

Almost surely, 2^266120006271 is an apocalyptic number.

266120006271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

266120006271 is a deficient number, since it is larger than the sum of its proper divisors (148366368129).

266120006271 is a wasteful number, since it uses less digits than its factorization.

266120006271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222823.

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 266120006271 in words is "two hundred sixty-six billion, one hundred twenty million, six thousand, two hundred seventy-one".