18066915202 has 16 divisors (see below), whose sum is σ = 30989094912. Its totient is φ = 7738653600.

The previous prime is 18066915199. The next prime is 18066915203. The reversal of 18066915202 is 20251966081.

It is not an unprimeable number, because it can be changed into a prime (18066915203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333058 + ... + 383485.

It is an arithmetic number, because the mean of its divisors is an integer number (1936818432).

Almost surely, 2^18066915202 is an apocalyptic number.

18066915202 is a deficient number, since it is larger than the sum of its proper divisors (12922179710).

18066915202 is a wasteful number, since it uses less digits than its factorization.

18066915202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718353.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 18066915202 in words is "eighteen billion, sixty-six million, nine hundred fifteen thousand, two hundred two".