18006088663 has 8 divisors (see below), whose sum is σ = 18955013120. Its totient is φ = 17057287800.

The previous prime is 18006088631. The next prime is 18006088673. The reversal of 18006088663 is 36688060081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18006088663 - 2⁵ = 18006088631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18006088673) 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, 521956 + ... + 555382.

It is an arithmetic number, because the mean of its divisors is an integer number (2369376640).

Almost surely, 2^18006088663 is an apocalyptic number.

18006088663 is a deficient number, since it is larger than the sum of its proper divisors (948924457).

18006088663 is a wasteful number, since it uses less digits than its factorization.

18006088663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61797.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 18006088663 in words is "eighteen billion, six million, eighty-eight thousand, six hundred sixty-three".