18359715156 has 24 divisors (see below), whose sum is σ = 44221250304. Its totient is φ = 5922488640.

The previous prime is 18359715151. The next prime is 18359715163. The reversal of 18359715156 is 65151795381.

It is a super-2 number, since 2×18359715156² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18359715099 and 18359715108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18359715151) by changing a digit.

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, 24676665 + ... + 24677408.

It is an arithmetic number, because the mean of its divisors is an integer number (1842552096).

Almost surely, 2^18359715156 is an apocalyptic number.

It is an amenable number.

18359715156 is an abundant number, since it is smaller than the sum of its proper divisors (25861535148).

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

18359715156 is a wasteful number, since it uses less digits than its factorization.

18359715156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49354111 (or 49354109 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 51.

The spelling of 18359715156 in words is "eighteen billion, three hundred fifty-nine million, seven hundred fifteen thousand, one hundred fifty-six".