13166433156 has 96 divisors (see below), whose sum is σ = 33888274560. Its totient is φ = 3961446400.

The previous prime is 13166433131. The next prime is 13166433193. The reversal of 13166433156 is 65133466131.

It is a super-2 number, since 2×13166433156² (a number of 21 digits) contains 22 as substring.

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, 480136 + ... + 506816.

It is an arithmetic number, because the mean of its divisors is an integer number (353002860).

Almost surely, 2^13166433156 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 13166433156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16944137280).

13166433156 is an abundant number, since it is smaller than the sum of its proper divisors (20721841404).

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

13166433156 is a wasteful number, since it uses less digits than its factorization.

13166433156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26805 (or 26803 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

Adding to 13166433156 its reverse (65133466131), we get a palindrome (78299899287).

The spelling of 13166433156 in words is "thirteen billion, one hundred sixty-six million, four hundred thirty-three thousand, one hundred fifty-six".