18068470616 has 16 divisors (see below), whose sum is σ = 38718151440. Its totient is φ = 7743630240.

The previous prime is 18068470601. The next prime is 18068470691. The reversal of 18068470616 is 61607486081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161325575 + ... + 161325686.

It is an arithmetic number, because the mean of its divisors is an integer number (2419884465).

Almost surely, 2^18068470616 is an apocalyptic number.

It is an amenable number.

18068470616 is an abundant number, since it is smaller than the sum of its proper divisors (20649680824).

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

18068470616 is a wasteful number, since it uses less digits than its factorization.

18068470616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322651274 (or 322651270 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 18068470616 in words is "eighteen billion, sixty-eight million, four hundred seventy thousand, six hundred sixteen".