8160899 has 4 divisors (see below), whose sum is σ = 8590440. Its totient is φ = 7731360.

The previous prime is 8160851. The next prime is 8160913. The reversal of 8160899 is 9980618.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8160899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160839) 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 3 ways as a sum of consecutive naturals, for example, 214742 + ... + 214779.

It is an arithmetic number, because the mean of its divisors is an integer number (2147610).

Almost surely, 2^8160899 is an apocalyptic number.

8160899 is a deficient number, since it is larger than the sum of its proper divisors (429541).

8160899 is a wasteful number, since it uses less digits than its factorization.

8160899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429540.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 8160899 is about 2856.7287235578. The cubic root of 8160899 is about 201.3319350541.

The spelling of 8160899 in words is "eight million, one hundred sixty thousand, eight hundred ninety-nine".