18074385016 has 8 divisors (see below), whose sum is σ = 33889471920. Its totient is φ = 9037192504.

The previous prime is 18074384969. The next prime is 18074385079. The reversal of 18074385016 is 61058347081.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129649056 + ... + 1129649071.

It is an arithmetic number, because the mean of its divisors is an integer number (4236183990).

Almost surely, 2^18074385016 is an apocalyptic number.

It is an amenable number.

18074385016 is a deficient number, since it is larger than the sum of its proper divisors (15815086904).

18074385016 is a wasteful number, since it uses less digits than its factorization.

18074385016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259298133 (or 2259298129 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 18074385016 in words is "eighteen billion, seventy-four million, three hundred eighty-five thousand, sixteen".