226161075414521 has 24 divisors (see below), whose sum is σ = 244784777819400. Its totient is φ = 207714058193664.

The previous prime is 226161075414511. The next prime is 226161075414577. The reversal of 226161075414521 is 125414570161622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16905756178921 + 209255319235600 = 4111661^2 + 14465660^2 .

It is not a de Polignac number, because 226161075414521 - 2⁶ = 226161075414457 is a prime.

It is a super-2 number, since 2×226161075414521² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226161075414511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5928342755 + ... + 5928380903.

It is an arithmetic number, because the mean of its divisors is an integer number (10199365742475).

Almost surely, 2^{226161075414521} is an apocalyptic number.

It is an amenable number.

226161075414521 is a deficient number, since it is larger than the sum of its proper divisors (18623702404879).

226161075414521 is an equidigital number, since it uses as much as digits as its factorization.

226161075414521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41193 (or 39794 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 226161075414521 in words is "two hundred twenty-six trillion, one hundred sixty-one billion, seventy-five million, four hundred fourteen thousand, five hundred twenty-one".