18041366 has 32 divisors (see below), whose sum is σ = 31825920. Its totient is φ = 7511616.

The previous prime is 18041363. The next prime is 18041371. The reversal of 18041366 is 66314081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18041363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129725 + ... + 129863.

It is an arithmetic number, because the mean of its divisors is an integer number (994560).

Almost surely, 2^18041366 is an apocalyptic number.

18041366 is a deficient number, since it is larger than the sum of its proper divisors (13784554).

18041366 is a wasteful number, since it uses less digits than its factorization.

18041366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 18041366 is about 4247.5129193447. The cubic root of 18041366 is about 262.2747443257.

The spelling of 18041366 in words is "eighteen million, forty-one thousand, three hundred sixty-six".