8464160891 has 4 divisors (see below), whose sum is σ = 8490862032. Its totient is φ = 8437459752.

The previous prime is 8464160851. The next prime is 8464160899. The reversal of 8464160891 is 1980614648.

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

It is a cyclic number.

It is not a de Polignac number, because 8464160891 - 2¹⁸ = 8463898747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8464160899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13350095 + ... + 13350728.

It is an arithmetic number, because the mean of its divisors is an integer number (2122715508).

Almost surely, 2^8464160891 is an apocalyptic number.

8464160891 is a deficient number, since it is larger than the sum of its proper divisors (26701141).

8464160891 is a wasteful number, since it uses less digits than its factorization.

8464160891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26701140.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 8464160891 is about 92000.8744034534. The cubic root of 8464160891 is about 2037.9552184275.

The spelling of 8464160891 in words is "eight billion, four hundred sixty-four million, one hundred sixty thousand, eight hundred ninety-one".