43325081664 has 112 divisors (see below), whose sum is σ = 121546315200. Its totient is φ = 13581582336.

The previous prime is 43325081659. The next prime is 43325081707. The reversal of 43325081664 is 46618052334.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456432 + ... + 543120.

Almost surely, 2^43325081664 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 43325081664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60773157600).

43325081664 is an abundant number, since it is smaller than the sum of its proper divisors (78221233536).

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

43325081664 is a wasteful number, since it uses less digits than its factorization.

43325081664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86860 (or 86850 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 43325081664 in words is "forty-three billion, three hundred twenty-five million, eighty-one thousand, six hundred sixty-four".