8251681126 has 16 divisors (see below), whose sum is σ = 13331876544. Its totient is φ = 3807828864.

The previous prime is 8251681117. The next prime is 8251681157. The reversal of 8251681126 is 6211861528.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154435 + ... + 200881.

It is an arithmetic number, because the mean of its divisors is an integer number (833242284).

Almost surely, 2^8251681126 is an apocalyptic number.

8251681126 is a deficient number, since it is larger than the sum of its proper divisors (5080195418).

8251681126 is a wasteful number, since it uses less digits than its factorization.

8251681126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53295.

The product of its digits is 46080, while the sum is 40.

The square root of 8251681126 is about 90838.7644455824. The cubic root of 8251681126 is about 2020.7572501547.

The spelling of 8251681126 in words is "eight billion, two hundred fifty-one million, six hundred eighty-one thousand, one hundred twenty-six".