666022420512441 has 12 divisors (see below), whose sum is σ = 962074917526320. Its totient is φ = 443995316696760.

The previous prime is 666022420512403. The next prime is 666022420512539. The reversal of 666022420512441 is 144215024220666.

It is not a de Polignac number, because 666022420512441 - 2²⁵ = 666022386958009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (666022420512401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1635644415 + ... + 1636051556.

It is an arithmetic number, because the mean of its divisors is an integer number (80172909793860).

Almost surely, 2^{666022420512441} is an apocalyptic number.

It is an amenable number.

666022420512441 is a deficient number, since it is larger than the sum of its proper divisors (296052497013879).

666022420512441 is a wasteful number, since it uses less digits than its factorization.

666022420512441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271718596 (or 3271718593 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 666022420512441 in words is "six hundred sixty-six trillion, twenty-two billion, four hundred twenty million, five hundred twelve thousand, four hundred forty-one".