66000406482241 has 32 divisors (see below), whose sum is σ = 82999763168256. Its totient is φ = 50983733112000.

The previous prime is 66000406482233. The next prime is 66000406482287. The reversal of 66000406482241 is 14228460400066.

It is a cyclic number.

It is not a de Polignac number, because 66000406482241 - 2³ = 66000406482233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66000406482221) 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, 6425211 + ... + 13163743.

It is an arithmetic number, because the mean of its divisors is an integer number (2593742599008).

Almost surely, 2^{66000406482241} is an apocalyptic number.

It is an amenable number.

66000406482241 is a deficient number, since it is larger than the sum of its proper divisors (16999356686015).

66000406482241 is a wasteful number, since it uses less digits than its factorization.

66000406482241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739653.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 66000406482241 in words is "sixty-six trillion, four hundred six million, four hundred eighty-two thousand, two hundred forty-one".