860109161 has 2 divisors, whose sum is σ = 860109162. Its totient is φ = 860109160.

The previous prime is 860109143. The next prime is 860109179. The reversal of 860109161 is 161901068.

It is a balanced prime because it is at equal distance from previous prime (860109143) and next prime (860109179).

It can be written as a sum of positive squares in only one way, i.e., 857025625 + 3083536 = 29275^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 860109161 - 2⁶ = 860109097 is a prime.

It is a super-2 number, since 2×860109161² = 1479575537672247842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (860109181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430054580 + 430054581.

It is an arithmetic number, because the mean of its divisors is an integer number (430054581).

Almost surely, 2^860109161 is an apocalyptic number.

It is an amenable number.

860109161 is a deficient number, since it is larger than the sum of its proper divisors (1).

860109161 is an equidigital number, since it uses as much as digits as its factorization.

860109161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 860109161 is about 29327.6177177759. The cubic root of 860109161 is about 951.0087755248.

The spelling of 860109161 in words is "eight hundred sixty million, one hundred nine thousand, one hundred sixty-one".