5240217666 has 32 divisors (see below), whose sum is σ = 11139182208. Its totient is φ = 1637730560.

The previous prime is 5240217659. The next prime is 5240217707. The reversal of 5240217666 is 6667120425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70845 + ... + 124496.

It is an arithmetic number, because the mean of its divisors is an integer number (348099444).

Almost surely, 2^5240217666 is an apocalyptic number.

5240217666 is an abundant number, since it is smaller than the sum of its proper divisors (5898964542).

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

5240217666 is a wasteful number, since it uses less digits than its factorization.

5240217666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195626.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 5240217666 is about 72389.3477384622. The cubic root of 5240217666 is about 1736.9331702143.

The spelling of 5240217666 in words is "five billion, two hundred forty million, two hundred seventeen thousand, six hundred sixty-six".