4275166912221 has 16 divisors (see below), whose sum is σ = 5828373157824. Its totient is φ = 2786743985664.

The previous prime is 4275166912199. The next prime is 4275166912223. The reversal of 4275166912221 is 1222196615724.

It is a happy number.

It is not a de Polignac number, because 4275166912221 - 2¹¹ = 4275166910173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4275166912223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88477626 + ... + 88525931.

It is an arithmetic number, because the mean of its divisors is an integer number (364273322364).

Almost surely, 2^{4275166912221} is an apocalyptic number.

It is an amenable number.

4275166912221 is a deficient number, since it is larger than the sum of its proper divisors (1553206245603).

4275166912221 is a wasteful number, since it uses less digits than its factorization.

4275166912221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177003740.

The product of its digits is 725760, while the sum is 48.

The spelling of 4275166912221 in words is "four trillion, two hundred seventy-five billion, one hundred sixty-six million, nine hundred twelve thousand, two hundred twenty-one".