6664432523430 has 128 divisors (see below), whose sum is σ = 17624625656832. Its totient is φ = 1599336000000.

The previous prime is 6664432523387. The next prime is 6664432523467. The reversal of 6664432523430 is 343252344666.

It is a self number, because there is not a number n which added to its sum of digits gives 6664432523430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 228995880 + ... + 229024980.

It is an arithmetic number, because the mean of its divisors is an integer number (137692387944).

Almost surely, 2^{6664432523430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6664432523430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8812312828416).

6664432523430 is an abundant number, since it is smaller than the sum of its proper divisors (10960193133402).

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

6664432523430 is a wasteful number, since it uses less digits than its factorization.

6664432523430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36094.

The product of its (nonzero) digits is 7464960, while the sum is 48.

The spelling of 6664432523430 in words is "six trillion, six hundred sixty-four billion, four hundred thirty-two million, five hundred twenty-three thousand, four hundred thirty".