8656401611 has 16 divisors (see below), whose sum is σ = 10176334560. Its totient is φ = 7259416320.

The previous prime is 8656401521. The next prime is 8656401619. The reversal of 8656401611 is 1161046568.

8656401611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8656401611 - 2¹⁰ = 8656400587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8656401619) 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, 211895 + ... + 249423.

It is an arithmetic number, because the mean of its divisors is an integer number (636020910).

Almost surely, 2^8656401611 is an apocalyptic number.

8656401611 is a deficient number, since it is larger than the sum of its proper divisors (1519932949).

8656401611 is a wasteful number, since it uses less digits than its factorization.

8656401611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39166.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 8656401611 is about 93039.7850975592. The cubic root of 8656401611 is about 2053.2687578576.

The spelling of 8656401611 in words is "eight billion, six hundred fifty-six million, four hundred one thousand, six hundred eleven".