24424640064666 has 12 divisors (see below), whose sum is σ = 52920053473482. Its totient is φ = 8141546688216.

The previous prime is 24424640064647. The next prime is 24424640064667. The reversal of 24424640064666 is 66646004642442.

It can be written as a sum of positive squares in only one way, i.e., 18009711126225 + 6414928938441 = 4243785^2 + 2532771^2 .

It is not an unprimeable number, because it can be changed into a prime (24424640064667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678462224001 + ... + 678462224036.

Almost surely, 2^{24424640064666} is an apocalyptic number.

24424640064666 is an abundant number, since it is smaller than the sum of its proper divisors (28495413408816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24424640064666 is a wasteful number, since it uses less digits than its factorization.

24424640064666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356924448045 (or 1356924448042 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 54.

The spelling of 24424640064666 in words is "twenty-four trillion, four hundred twenty-four billion, six hundred forty million, sixty-four thousand, six hundred sixty-six".