18413442203368 has 32 divisors (see below), whose sum is σ = 34561855944000. Its totient is φ = 9196951714560.

The previous prime is 18413442203339. The next prime is 18413442203369. The reversal of 18413442203368 is 86330224431481.

It is not an unprimeable number, because it can be changed into a prime (18413442203369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33249523 + ... + 33798781.

It is an arithmetic number, because the mean of its divisors is an integer number (1080057998250).

Almost surely, 2^{18413442203368} is an apocalyptic number.

It is an amenable number.

18413442203368 is a deficient number, since it is larger than the sum of its proper divisors (16148413740632).

18413442203368 is a wasteful number, since it uses less digits than its factorization.

18413442203368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553705 (or 553701 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 49.

The spelling of 18413442203368 in words is "eighteen trillion, four hundred thirteen billion, four hundred forty-two million, two hundred three thousand, three hundred sixty-eight".