18364247152 has 40 divisors (see below), whose sum is σ = 36184909712. Its totient is φ = 9026380800.

The previous prime is 18364247141. The next prime is 18364247171. The reversal of 18364247152 is 25174246381.

It is a super-2 number, since 2×18364247152² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18364247099 and 18364247108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104783 + ... + 2113489.

Almost surely, 2^18364247152 is an apocalyptic number.

It is an amenable number.

18364247152 is a deficient number, since it is larger than the sum of its proper divisors (17820662560).

18364247152 is a wasteful number, since it uses less digits than its factorization.

18364247152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937 (or 10931 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The spelling of 18364247152 in words is "eighteen billion, three hundred sixty-four million, two hundred forty-seven thousand, one hundred fifty-two".