8163508156 has 18 divisors (see below), whose sum is σ = 15077617800. Its totient is φ = 3866924232.

The previous prime is 8163508141. The next prime is 8163508159. The reversal of 8163508156 is 6518053618.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8163508159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2825256 + ... + 2828143.

Almost surely, 2^8163508156 is an apocalyptic number.

It is an amenable number.

8163508156 is a deficient number, since it is larger than the sum of its proper divisors (6914109644).

8163508156 is a wasteful number, since it uses less digits than its factorization.

8163508156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653441 (or 5653420 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 8163508156 is about 90352.1342083296. The cubic root of 8163508156 is about 2013.5338899982.

The spelling of 8163508156 in words is "eight billion, one hundred sixty-three million, five hundred eight thousand, one hundred fifty-six".