8158248668 has 12 divisors (see below), whose sum is σ = 14284411680. Its totient is φ = 4076988192.

The previous prime is 8158248667. The next prime is 8158248689. The reversal of 8158248668 is 8668428518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8158248667) 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, 525428 + ... + 540731.

It is an arithmetic number, because the mean of its divisors is an integer number (1190367640).

Almost surely, 2^8158248668 is an apocalyptic number.

It is an amenable number.

8158248668 is a deficient number, since it is larger than the sum of its proper divisors (6126163012).

8158248668 is a wasteful number, since it uses less digits than its factorization.

8158248668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068076 (or 1068074 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 56.

The square root of 8158248668 is about 90323.0240193496. The cubic root of 8158248668 is about 2013.1013785401.

The spelling of 8158248668 in words is "eight billion, one hundred fifty-eight million, two hundred forty-eight thousand, six hundred sixty-eight".