326166044104253 has 2 divisors, whose sum is σ = 326166044104254. Its totient is φ = 326166044104252.

The previous prime is 326166044104207. The next prime is 326166044104267. The reversal of 326166044104253 is 352401440661623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237312854221444 + 88853189882809 = 15404962^2 + 9426197^2 .

It is a cyclic number.

It is not a de Polignac number, because 326166044104253 - 2³⁸ = 325891166197309 is a prime.

It is a super-2 number, since 2×326166044104253² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 326166044104198 and 326166044104207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326166044164253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163083022052126 + 163083022052127.

It is an arithmetic number, because the mean of its divisors is an integer number (163083022052127).

Almost surely, 2^{326166044104253} is an apocalyptic number.

It is an amenable number.

326166044104253 is a deficient number, since it is larger than the sum of its proper divisors (1).

326166044104253 is an equidigital number, since it uses as much as digits as its factorization.

326166044104253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 47.

Adding to 326166044104253 its reverse (352401440661623), we get a palindrome (678567484765876).

The spelling of 326166044104253 in words is "three hundred twenty-six trillion, one hundred sixty-six billion, forty-four million, one hundred four thousand, two hundred fifty-three".