18668353367037 has 32 divisors (see below), whose sum is σ = 27901074161664. Its totient is φ = 11003149339200.

The previous prime is 18668353366997. The next prime is 18668353367057. The reversal of 18668353367037 is 73076335386681.

It is not a de Polignac number, because 18668353367037 - 2⁶ = 18668353366973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18668353367057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043833 + ... + 6198894.

It is an arithmetic number, because the mean of its divisors is an integer number (871908567552).

Almost surely, 2^{18668353367037} is an apocalyptic number.

It is an amenable number.

18668353367037 is a deficient number, since it is larger than the sum of its proper divisors (9232720794627).

18668353367037 is a wasteful number, since it uses less digits than its factorization.

18668353367037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244889.

The product of its (nonzero) digits is 274337280, while the sum is 66.

The spelling of 18668353367037 in words is "eighteen trillion, six hundred sixty-eight billion, three hundred fifty-three million, three hundred sixty-seven thousand, thirty-seven".