226465204165561 has 8 divisors (see below), whose sum is σ = 235555041224448. Its totient is φ = 217486898850000.

The previous prime is 226465204165517. The next prime is 226465204165619. The reversal of 226465204165561 is 165561402564622.

226465204165561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 226465204165561 - 2⁷ = 226465204165433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226465204765561) 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, 27882931690 + ... + 27882939811.

It is an arithmetic number, because the mean of its divisors is an integer number (29444380153056).

Almost surely, 2^{226465204165561} is an apocalyptic number.

It is an amenable number.

226465204165561 is a deficient number, since it is larger than the sum of its proper divisors (9089837058887).

226465204165561 is a wasteful number, since it uses less digits than its factorization.

226465204165561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55765871663.

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 226465204165561 in words is "two hundred twenty-six trillion, four hundred sixty-five billion, two hundred four million, one hundred sixty-five thousand, five hundred sixty-one".