18665413060 has 24 divisors (see below), whose sum is σ = 44796991680. Its totient is φ = 6399570144.

The previous prime is 18665413043. The next prime is 18665413061. The reversal of 18665413060 is 6031456681.

It is a super-3 number, since 3×18665413060³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18665413061) 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, 66662050 + ... + 66662329.

It is an arithmetic number, because the mean of its divisors is an integer number (1866541320).

Almost surely, 2^18665413060 is an apocalyptic number.

18665413060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18665413060 is an abundant number, since it is smaller than the sum of its proper divisors (26131578620).

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

18665413060 is a wasteful number, since it uses less digits than its factorization.

18665413060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133324395 (or 133324393 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 18665413060 in words is "eighteen billion, six hundred sixty-five million, four hundred thirteen thousand, sixty".