8182156436 has 48 divisors (see below), whose sum is σ = 15165696000. Its totient is φ = 3854850912.

The previous prime is 8182156427. The next prime is 8182156439. The reversal of 8182156436 is 6346512818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8182156439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883555 + ... + 1887893.

It is an arithmetic number, because the mean of its divisors is an integer number (315952000).

Almost surely, 2^8182156436 is an apocalyptic number.

It is an amenable number.

8182156436 is a deficient number, since it is larger than the sum of its proper divisors (6983539564).

8182156436 is a wasteful number, since it uses less digits than its factorization.

8182156436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668 (or 4666 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 8182156436 is about 90455.2731243458. The cubic root of 8182156436 is about 2015.0659269479.

The spelling of 8182156436 in words is "eight billion, one hundred eighty-two million, one hundred fifty-six thousand, four hundred thirty-six".