8158196548 has 12 divisors (see below), whose sum is σ = 14278021632. Its totient is φ = 4078761800.

The previous prime is 8158196491. The next prime is 8158196549. The reversal of 8158196548 is 8456918518.

It is not an unprimeable number, because it can be changed into a prime (8158196549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24940 + ... + 130147.

It is an arithmetic number, because the mean of its divisors is an integer number (1189835136).

Almost surely, 2^8158196548 is an apocalyptic number.

It is an amenable number.

8158196548 is a deficient number, since it is larger than the sum of its proper divisors (6119825084).

8158196548 is a wasteful number, since it uses less digits than its factorization.

8158196548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168242 (or 168240 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 55.

The square root of 8158196548 is about 90322.7354988765. The cubic root of 8158196548 is about 2013.0970915470.

The spelling of 8158196548 in words is "eight billion, one hundred fifty-eight million, one hundred ninety-six thousand, five hundred forty-eight".