8126661159 has 12 divisors (see below), whose sum is σ = 11771768736. Its totient is φ = 5402424192.

The previous prime is 8126661143. The next prime is 8126661187. The reversal of 8126661159 is 9511666218.

It is not a de Polignac number, because 8126661159 - 2⁴ = 8126661143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8126661119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275807 + ... + 1282160.

It is an arithmetic number, because the mean of its divisors is an integer number (980980728).

Almost surely, 2^8126661159 is an apocalyptic number.

8126661159 is a deficient number, since it is larger than the sum of its proper divisors (3645107577).

8126661159 is a wasteful number, since it uses less digits than its factorization.

8126661159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558326 (or 2558323 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 8126661159 is about 90147.9958679060. The cubic root of 8126661159 is about 2010.4998764156.

The spelling of 8126661159 in words is "eight billion, one hundred twenty-six million, six hundred sixty-one thousand, one hundred fifty-nine".