18047367152 has 20 divisors (see below), whose sum is σ = 34969252896. Its totient is φ = 9023043840.

The previous prime is 18047367137. The next prime is 18047367187. The reversal of 18047367152 is 25176374081.

It is a super-2 number, since 2×18047367152² (a number of 21 digits) contains 22 as substring.

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, 261752 + ... + 323432.

Almost surely, 2^18047367152 is an apocalyptic number.

It is an amenable number.

18047367152 is a deficient number, since it is larger than the sum of its proper divisors (16921885744).

18047367152 is a wasteful number, since it uses less digits than its factorization.

18047367152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79976 (or 79970 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 18047367152 in words is "eighteen billion, forty-seven million, three hundred sixty-seven thousand, one hundred fifty-two".