826231161 has 16 divisors (see below), whose sum is σ = 1333079424. Its totient is φ = 444359424.

The previous prime is 826231157. The next prime is 826231177. The reversal of 826231161 is 161132628.

It is not a de Polignac number, because 826231161 - 2² = 826231157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (826231061) 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 15 ways as a sum of consecutive naturals, for example, 1156830 + ... + 1157543.

It is an arithmetic number, because the mean of its divisors is an integer number (83317464).

Almost surely, 2^826231161 is an apocalyptic number.

It is an amenable number.

826231161 is a deficient number, since it is larger than the sum of its proper divisors (506848263).

826231161 is a wasteful number, since it uses less digits than its factorization.

826231161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314400.

The product of its digits is 3456, while the sum is 30.

The square root of 826231161 is about 28744.2370050068. The cubic root of 826231161 is about 938.3550380313.

Adding to 826231161 its reverse (161132628), we get a palindrome (987363789).

The spelling of 826231161 in words is "eight hundred twenty-six million, two hundred thirty-one thousand, one hundred sixty-one".