226402377161 has 4 divisors (see below), whose sum is σ = 228479463300. Its totient is φ = 224325291024.

The previous prime is 226402377121. The next prime is 226402377163. The reversal of 226402377161 is 161773204622.

226402377161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161773204622 = 2 ⋅80886602311.

It can be written as a sum of positive squares in 2 ways, for example, as 145871288761 + 80531088400 = 381931^2 + 283780^2 .

It is a cyclic number.

It is not a de Polignac number, because 226402377161 - 2¹⁴ = 226402360777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226402377163) 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, 1038542906 + ... + 1038543123.

It is an arithmetic number, because the mean of its divisors is an integer number (57119865825).

Almost surely, 2^226402377161 is an apocalyptic number.

It is an amenable number.

226402377161 is a deficient number, since it is larger than the sum of its proper divisors (2077086139).

226402377161 is a wasteful number, since it uses less digits than its factorization.

226402377161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077086138.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 226402377161 in words is "two hundred twenty-six billion, four hundred two million, three hundred seventy-seven thousand, one hundred sixty-one".