8163948825 has 48 divisors (see below), whose sum is σ = 15346309440. Its totient is φ = 4252832640.

The previous prime is 8163948791. The next prime is 8163948827. The reversal of 8163948825 is 5288493618.

8163948825 is a `hidden beast` number, since 81 + 63 + 9 + 488 + 25 = 666.

It is not a de Polignac number, because 8163948825 - 2⁶ = 8163948761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8163948827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111612 + ... + 169661.

It is an arithmetic number, because the mean of its divisors is an integer number (319714780).

Almost surely, 2^8163948825 is an apocalyptic number.

It is an amenable number.

8163948825 is a deficient number, since it is larger than the sum of its proper divisors (7182360615).

8163948825 is a wasteful number, since it uses less digits than its factorization.

8163948825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281335 (or 281324 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 8163948825 is about 90354.5727951829. The cubic root of 8163948825 is about 2013.5701197654.

The spelling of 8163948825 in words is "eight billion, one hundred sixty-three million, nine hundred forty-eight thousand, eight hundred twenty-five".