2160406091 has 2 divisors, whose sum is σ = 2160406092. Its totient is φ = 2160406090.

The previous prime is 2160406067. The next prime is 2160406097. The reversal of 2160406091 is 1906040612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2160406091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2160406097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080203045 + 1080203046.

It is an arithmetic number, because the mean of its divisors is an integer number (1080203046).

Almost surely, 2^2160406091 is an apocalyptic number.

2160406091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160406091 is an equidigital number, since it uses as much as digits as its factorization.

2160406091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2160406091 is about 46480.1687927228. The cubic root of 2160406091 is about 1292.7418178816.

The spelling of 2160406091 in words is "two billion, one hundred sixty million, four hundred six thousand, ninety-one".