6666645024 has 144 divisors (see below), whose sum is σ = 20452408704. Its totient is φ = 2047680000.

The previous prime is 6666645001. The next prime is 6666645049. The reversal of 6666645024 is 4205466666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2810559 + ... + 2812929.

It is an arithmetic number, because the mean of its divisors is an integer number (142030616).

Almost surely, 2^6666645024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6666645024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10226204352).

6666645024 is an abundant number, since it is smaller than the sum of its proper divisors (13785763680).

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

6666645024 is a wasteful number, since it uses less digits than its factorization.

6666645024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151 (or 3140 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The square root of 6666645024 is about 81649.5255589400. The cubic root of 6666645024 is about 1882.0700211069.

The spelling of 6666645024 in words is "six billion, six hundred sixty-six million, six hundred forty-five thousand, twenty-four".