8658116461 has 2 divisors, whose sum is σ = 8658116462. Its totient is φ = 8658116460.

The previous prime is 8658116459. The next prime is 8658116491. The reversal of 8658116461 is 1646118568.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5166015625 + 3492100836 = 71875^2 + 59094^2 .

It is a cyclic number.

It is not a de Polignac number, because 8658116461 - 2¹ = 8658116459 is a prime.

Together with 8658116459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8658116491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4329058230 + 4329058231.

It is an arithmetic number, because the mean of its divisors is an integer number (4329058231).

Almost surely, 2^8658116461 is an apocalyptic number.

It is an amenable number.

8658116461 is a deficient number, since it is larger than the sum of its proper divisors (1).

8658116461 is an equidigital number, since it uses as much as digits as its factorization.

8658116461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 8658116461 is about 93049.0003224108. Note that the first 3 decimals coincide. The cubic root of 8658116461 is about 2053.4043344172.

The spelling of 8658116461 in words is "eight billion, six hundred fifty-eight million, one hundred sixteen thousand, four hundred sixty-one".