806164297 has 4 divisors (see below), whose sum is σ = 808410240. Its totient is φ = 803918356.

The previous prime is 806164267. The next prime is 806164339. The reversal of 806164297 is 792461608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 806164297 - 2¹⁹ = 805640009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806164267) 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, 1122433 + ... + 1123150.

It is an arithmetic number, because the mean of its divisors is an integer number (202102560).

Almost surely, 2^806164297 is an apocalyptic number.

It is an amenable number.

806164297 is a deficient number, since it is larger than the sum of its proper divisors (2245943).

806164297 is a wasteful number, since it uses less digits than its factorization.

806164297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245942.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 806164297 is about 28393.0325432138. The cubic root of 806164297 is about 930.6960130618.

The spelling of 806164297 in words is "eight hundred six million, one hundred sixty-four thousand, two hundred ninety-seven".