18069510606 has 96 divisors (see below), whose sum is σ = 43913145600. Its totient is φ = 4854736512.

The previous prime is 18069510593. The next prime is 18069510619. The reversal of 18069510606 is 60601596081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18069510593) and next prime (18069510619).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2072845 + ... + 2081543.

It is an arithmetic number, because the mean of its divisors is an integer number (457428600).

Almost surely, 2^18069510606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18069510606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21956572800).

18069510606 is an abundant number, since it is smaller than the sum of its proper divisors (25843634994).

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

18069510606 is a wasteful number, since it uses less digits than its factorization.

18069510606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886 (or 8867 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 18069510606 in words is "eighteen billion, sixty-nine million, five hundred ten thousand, six hundred six".