8148911712 has 24 divisors (see below), whose sum is σ = 21390893496. Its totient is φ = 2716303872.

The previous prime is 8148911711. The next prime is 8148911717. The reversal of 8148911712 is 2171198418.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8148911711) 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, 42442153 + ... + 42442344.

It is an arithmetic number, because the mean of its divisors is an integer number (891287229).

Almost surely, 2^8148911712 is an apocalyptic number.

It is an amenable number.

8148911712 is an abundant number, since it is smaller than the sum of its proper divisors (13241981784).

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

8148911712 is a wasteful number, since it uses less digits than its factorization.

8148911712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84884510 (or 84884502 counting only the distinct ones).

The product of its digits is 32256, while the sum is 42.

The square root of 8148911712 is about 90271.3227553468. The cubic root of 8148911712 is about 2012.3331003240. Note that the first 3 decimals are identical.

The spelling of 8148911712 in words is "eight billion, one hundred forty-eight million, nine hundred eleven thousand, seven hundred twelve".