2163466091 has 4 divisors (see below), whose sum is σ = 2238068400. Its totient is φ = 2088863784.

The previous prime is 2163466061. The next prime is 2163466093. The reversal of 2163466091 is 1906643612.

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 2163466091 - 2¹⁴ = 2163449707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163466093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37301111 + ... + 37301168.

It is an arithmetic number, because the mean of its divisors is an integer number (559517100).

Almost surely, 2^2163466091 is an apocalyptic number.

2163466091 is a deficient number, since it is larger than the sum of its proper divisors (74602309).

2163466091 is an equidigital number, since it uses as much as digits as its factorization.

2163466091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74602308.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2163466091 is about 46513.0744092454. The cubic root of 2163466091 is about 1293.3518766088.

The spelling of 2163466091 in words is "two billion, one hundred sixty-three million, four hundred sixty-six thousand, ninety-one".