183261105397 has 2 divisors, whose sum is σ = 183261105398. Its totient is φ = 183261105396.

The previous prime is 183261105389. The next prime is 183261105421. The reversal of 183261105397 is 793501162381.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97138812241 + 86122293156 = 311671^2 + 293466^2 .

It is a cyclic number.

It is not a de Polignac number, because 183261105397 - 2³ = 183261105389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (183261105347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91630552698 + 91630552699.

It is an arithmetic number, because the mean of its divisors is an integer number (91630552699).

Almost surely, 2^183261105397 is an apocalyptic number.

It is an amenable number.

183261105397 is a deficient number, since it is larger than the sum of its proper divisors (1).

183261105397 is an equidigital number, since it uses as much as digits as its factorization.

183261105397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 183261105397 in words is "one hundred eighty-three billion, two hundred sixty-one million, one hundred five thousand, three hundred ninety-seven".