18066037364 has 6 divisors (see below), whose sum is σ = 31615565394. Its totient is φ = 9033018680.

The previous prime is 18066037361. The next prime is 18066037393. The reversal of 18066037364 is 46373066081.

It can be written as a sum of positive squares in only one way, i.e., 13011964900 + 5054072464 = 114070^2 + 71092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18066037361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2258254667 + ... + 2258254674.

It is an arithmetic number, because the mean of its divisors is an integer number (5269260899).

Almost surely, 2^18066037364 is an apocalyptic number.

It is an amenable number.

18066037364 is a deficient number, since it is larger than the sum of its proper divisors (13549528030).

18066037364 is a wasteful number, since it uses less digits than its factorization.

18066037364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516509345 (or 4516509343 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 18066037364 in words is "eighteen billion, sixty-six million, thirty-seven thousand, three hundred sixty-four".