895662161 has 2 divisors, whose sum is σ = 895662162. Its totient is φ = 895662160.

The previous prime is 895662139. The next prime is 895662167. The reversal of 895662161 is 161266598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 880012225 + 15649936 = 29665^2 + 3956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-895662161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (895662167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447831080 + 447831081.

It is an arithmetic number, because the mean of its divisors is an integer number (447831081).

Almost surely, 2^895662161 is an apocalyptic number.

It is an amenable number.

895662161 is a deficient number, since it is larger than the sum of its proper divisors (1).

895662161 is an equidigital number, since it uses as much as digits as its factorization.

895662161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 895662161 is about 29927.6153577260. The cubic root of 895662161 is about 963.9357237637.

It can be divided in two parts, 8956 and 62161, that added together give a palindrome (71117).

The spelling of 895662161 in words is "eight hundred ninety-five million, six hundred sixty-two thousand, one hundred sixty-one".