226161066407165 has 8 divisors (see below), whose sum is σ = 271393427916600. Its totient is φ = 180928754307072.

The previous prime is 226161066407131. The next prime is 226161066407167. The reversal of 226161066407165 is 561704660161622.

It can be written as a sum of positive squares in 4 ways, for example, as 120674157662041 + 105486908745124 = 10985179^2 + 10270682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226161066407165 - 2⁸ = 226161066406909 is a prime.

It is a super-2 number, since 2×226161066407165² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226161066407167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399364 + ... + 21313853.

It is an arithmetic number, because the mean of its divisors is an integer number (33924178489575).

Almost surely, 2^{226161066407165} is an apocalyptic number.

It is an amenable number.

226161066407165 is a deficient number, since it is larger than the sum of its proper divisors (45232361509435).

226161066407165 is a wasteful number, since it uses less digits than its factorization.

226161066407165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24704671.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 226161066407165 in words is "two hundred twenty-six trillion, one hundred sixty-one billion, sixty-six million, four hundred seven thousand, one hundred sixty-five".