8025163861 has 16 divisors (see below), whose sum is σ = 9439234560. Its totient is φ = 6726496320.

The previous prime is 8025163829. The next prime is 8025163897. The reversal of 8025163861 is 1683615208.

It is a cyclic number.

It is not a de Polignac number, because 8025163861 - 2⁵ = 8025163829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8025163561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90895 + ... + 155923.

It is an arithmetic number, because the mean of its divisors is an integer number (589952160).

Almost surely, 2^8025163861 is an apocalyptic number.

It is an amenable number.

8025163861 is a deficient number, since it is larger than the sum of its proper divisors (1414070699).

8025163861 is a wasteful number, since it uses less digits than its factorization.

8025163861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65916.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 8025163861 is about 89583.2789140920. The cubic root of 8025163861 is about 2002.0947935706.

The spelling of 8025163861 in words is "eight billion, twenty-five million, one hundred sixty-three thousand, eight hundred sixty-one".