18633032066 has 32 divisors (see below), whose sum is σ = 31027841856. Its totient is φ = 8321560000.

The previous prime is 18633032059. The next prime is 18633032071. The reversal of 18633032066 is 66023033681.

It is a Curzon number.

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, 259076 + ... + 323088.

It is an arithmetic number, because the mean of its divisors is an integer number (969620058).

Almost surely, 2^18633032066 is an apocalyptic number.

18633032066 is a deficient number, since it is larger than the sum of its proper divisors (12394809790).

18633032066 is a wasteful number, since it uses less digits than its factorization.

18633032066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64258.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 18633032066 in words is "eighteen billion, six hundred thirty-three million, thirty-two thousand, sixty-six".