8160811 has 4 divisors (see below), whose sum is σ = 8275824. Its totient is φ = 8045800.

The previous prime is 8160773. The next prime is 8160827. The reversal of 8160811 is 1180618.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1180618 = 2 ⋅590309.

It is a cyclic number.

It is not a de Polignac number, because 8160811 - 2¹¹ = 8158763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8160851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57400 + ... + 57541.

It is an arithmetic number, because the mean of its divisors is an integer number (2068956).

Almost surely, 2^8160811 is an apocalyptic number.

8160811 is a deficient number, since it is larger than the sum of its proper divisors (115013).

8160811 is a wasteful number, since it uses less digits than its factorization.

8160811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115012.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 8160811 is about 2856.7133212837. The cubic root of 8160811 is about 201.3312113889.

The spelling of 8160811 in words is "eight million, one hundred sixty thousand, eight hundred eleven".