221160666206441 has 32 divisors (see below), whose sum is σ = 248586282309120. Its totient is φ = 195441517440000.

The previous prime is 221160666206419. The next prime is 221160666206483. The reversal of 221160666206441 is 144602666061122.

221160666206441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221160666206441 - 2²² = 221160662012137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221160666206401) 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, 9248060 + ... + 22974941.

It is an arithmetic number, because the mean of its divisors is an integer number (7768321322160).

Almost surely, 2^{221160666206441} is an apocalyptic number.

It is an amenable number.

221160666206441 is a deficient number, since it is larger than the sum of its proper divisors (27425616102679).

221160666206441 is a wasteful number, since it uses less digits than its factorization.

221160666206441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32223297.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 221160666206441 in words is "two hundred twenty-one trillion, one hundred sixty billion, six hundred sixty-six million, two hundred six thousand, four hundred forty-one".