66632620230 has 48 divisors (see below), whose sum is σ = 188994343824. Its totient is φ = 16153362240.

The previous prime is 66632620193. The next prime is 66632620259. The reversal of 66632620230 is 3202623666.

66632620230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 33651849 + ... + 33653828.

It is an arithmetic number, because the mean of its divisors is an integer number (3937382163).

Almost surely, 2^66632620230 is an apocalyptic number.

66632620230 is an abundant number, since it is smaller than the sum of its proper divisors (122361723594).

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

66632620230 is a wasteful number, since it uses less digits than its factorization.

66632620230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67305701 (or 67305698 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 66632620230 in words is "sixty-six billion, six hundred thirty-two million, six hundred twenty thousand, two hundred thirty".