1426211161 has 4 divisors (see below), whose sum is σ = 1443394512. Its totient is φ = 1409027812.

The previous prime is 1426211159. The next prime is 1426211167. The reversal of 1426211161 is 1611126241.

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 1426211161 - 2¹ = 1426211159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426211167) 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, 8591551 + ... + 8591716.

It is an arithmetic number, because the mean of its divisors is an integer number (360848628).

Almost surely, 2^1426211161 is an apocalyptic number.

It is an amenable number.

1426211161 is a deficient number, since it is larger than the sum of its proper divisors (17183351).

1426211161 is an equidigital number, since it uses as much as digits as its factorization.

1426211161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17183350.

The product of its digits is 576, while the sum is 25.

The square root of 1426211161 is about 37765.2109884216. The cubic root of 1426211161 is about 1125.6272810543.

The spelling of 1426211161 in words is "one billion, four hundred twenty-six million, two hundred eleven thousand, one hundred sixty-one".