18033412188066 has 32 divisors (see below), whose sum is σ = 39409812042048. Its totient is φ = 5455755714240.

The previous prime is 18033412188047. The next prime is 18033412188083. The reversal of 18033412188066 is 66088121433081.

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, 222825381 + ... + 222906296.

It is an arithmetic number, because the mean of its divisors is an integer number (1231556626314).

Almost surely, 2^{18033412188066} is an apocalyptic number.

18033412188066 is an abundant number, since it is smaller than the sum of its proper divisors (21376399853982).

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

18033412188066 is a wasteful number, since it uses less digits than its factorization.

18033412188066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445732306.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 18033412188066 in words is "eighteen trillion, thirty-three billion, four hundred twelve million, one hundred eighty-eight thousand, sixty-six".