8156443204 has 48 divisors (see below), whose sum is σ = 17606030848. Its totient is φ = 3219689088.

The previous prime is 8156443193. The next prime is 8156443249. The reversal of 8156443204 is 4023446518.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144334 + ... + 192730.

Almost surely, 2^8156443204 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 8156443204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8803015424).

8156443204 is an abundant number, since it is smaller than the sum of its proper divisors (9449587644).

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

8156443204 is a wasteful number, since it uses less digits than its factorization.

8156443204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48884 (or 48882 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 8156443204 is about 90313.0289825339. The cubic root of 8156443204 is about 2012.9528642218.

The spelling of 8156443204 in words is "eight billion, one hundred fifty-six million, four hundred forty-three thousand, two hundred four".