8161807 has 2 divisors, whose sum is σ = 8161808. Its totient is φ = 8161806.

The previous prime is 8161763. The next prime is 8161817. The reversal of 8161807 is 7081618.

8161807 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8161807 - 2¹⁵ = 8129039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8161817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080903 + 4080904.

It is an arithmetic number, because the mean of its divisors is an integer number (4080904).

Almost surely, 2^8161807 is an apocalyptic number.

8161807 is a deficient number, since it is larger than the sum of its proper divisors (1).

8161807 is an equidigital number, since it uses as much as digits as its factorization.

8161807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 8161807 is about 2856.8876421729. The cubic root of 8161807 is about 201.3394016586.

The spelling of 8161807 in words is "eight million, one hundred sixty-one thousand, eight hundred seven".