8611161 has 16 divisors (see below), whose sum is σ = 13016640. Its totient is φ = 5019840.

The previous prime is 8611151. The next prime is 8611181. The reversal of 8611161 is 1611168.

It is not a de Polignac number, because 8611161 - 2⁷ = 8611033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8611151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5070 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (813540).

Almost surely, 2^8611161 is an apocalyptic number.

It is an amenable number.

8611161 is a deficient number, since it is larger than the sum of its proper divisors (4405479).

8611161 is a wasteful number, since it uses less digits than its factorization.

8611161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11656.

The product of its digits is 288, while the sum is 24.

The square root of 8611161 is about 2934.4779774263. The cubic root of 8611161 is about 204.9685535742.

The spelling of 8611161 in words is "eight million, six hundred eleven thousand, one hundred sixty-one".