18315330466806 has 24 divisors (see below), whose sum is σ = 39691379792064. Its totient is φ = 6103854189360.

The previous prime is 18315330466801. The next prime is 18315330466861. The reversal of 18315330466806 is 60866403351381.

18315330466806 is a `hidden beast` number, since 1 + 8 + 3 + 1 + 533 + 0 + 46 + 68 + 0 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18315330466801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104573926 + ... + 104748921.

It is an arithmetic number, because the mean of its divisors is an integer number (1653807491336).

Almost surely, 2^{18315330466806} is an apocalyptic number.

18315330466806 is an abundant number, since it is smaller than the sum of its proper divisors (21376049325258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18315330466806 is a wasteful number, since it uses less digits than its factorization.

18315330466806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209327716 (or 209327713 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 18315330466806 in words is "eighteen trillion, three hundred fifteen billion, three hundred thirty million, four hundred sixty-six thousand, eight hundred six".