43630666016 has 48 divisors (see below), whose sum is σ = 98183385216. Its totient is φ = 18696116736.

The previous prime is 43630665929. The next prime is 43630666019. The reversal of 43630666016 is 61066603634.

It is not an unprimeable number, because it can be changed into a prime (43630666019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519660 + ... + 2536916.

It is an arithmetic number, because the mean of its divisors is an integer number (2045487192).

Almost surely, 2^43630666016 is an apocalyptic number.

It is an amenable number.

43630666016 is an abundant number, since it is smaller than the sum of its proper divisors (54552719200).

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

43630666016 is a wasteful number, since it uses less digits than its factorization.

43630666016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28561 (or 28553 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 43630666016 in words is "forty-three billion, six hundred thirty million, six hundred sixty-six thousand, sixteen".