12818766156 has 96 divisors (see below), whose sum is σ = 36734648832. Its totient is φ = 3395589120.

The previous prime is 12818766137. The next prime is 12818766167. The reversal of 12818766156 is 65166781821.

It is a super-2 number, since 2×12818766156² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 12818766099 and 12818766108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28686 + ... + 162666.

It is an arithmetic number, because the mean of its divisors is an integer number (382652592).

Almost surely, 2^12818766156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12818766156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18367324416).

12818766156 is an abundant number, since it is smaller than the sum of its proper divisors (23915882676).

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

12818766156 is a wasteful number, since it uses less digits than its factorization.

12818766156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134079 (or 134077 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The spelling of 12818766156 in words is "twelve billion, eight hundred eighteen million, seven hundred sixty-six thousand, one hundred fifty-six".