43000066066 has 8 divisors (see below), whose sum is σ = 64824220800. Its totient is φ = 21391992468.

The previous prime is 43000066051. The next prime is 43000066097. The reversal of 43000066066 is 66066000034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54019786 + ... + 54020581.

It is an arithmetic number, because the mean of its divisors is an integer number (8103027600).

Almost surely, 2^43000066066 is an apocalyptic number.

43000066066 is a deficient number, since it is larger than the sum of its proper divisors (21824154734).

43000066066 is a wasteful number, since it uses less digits than its factorization.

43000066066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108040568.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 43000066066 in words is "forty-three billion, sixty-six thousand, sixty-six".