226663161253 has 2 divisors, whose sum is σ = 226663161254. Its totient is φ = 226663161252.

The previous prime is 226663161239. The next prime is 226663161337. The reversal of 226663161253 is 352161366622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208518263044 + 18144898209 = 456638^2 + 134703^2 .

It is a cyclic number.

It is not a de Polignac number, because 226663161253 - 2¹³ = 226663153061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226663161953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113331580626 + 113331580627.

It is an arithmetic number, because the mean of its divisors is an integer number (113331580627).

Almost surely, 2^226663161253 is an apocalyptic number.

It is an amenable number.

226663161253 is a deficient number, since it is larger than the sum of its proper divisors (1).

226663161253 is an equidigital number, since it uses as much as digits as its factorization.

226663161253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 43.

The spelling of 226663161253 in words is "two hundred twenty-six billion, six hundred sixty-three million, one hundred sixty-one thousand, two hundred fifty-three".