253166727661297 has 2 divisors, whose sum is σ = 253166727661298. Its totient is φ = 253166727661296.

The previous prime is 253166727661277. The next prime is 253166727661361. The reversal of 253166727661297 is 792166727661352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168644740896241 + 84521986765056 = 12986329^2 + 9193584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253166727661297 is a prime.

It is not a weakly prime, because it can be changed into another prime (253166727661277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126583363830648 + 126583363830649.

It is an arithmetic number, because the mean of its divisors is an integer number (126583363830649).

Almost surely, 2^{253166727661297} is an apocalyptic number.

It is an amenable number.

253166727661297 is a deficient number, since it is larger than the sum of its proper divisors (1).

253166727661297 is an equidigital number, since it uses as much as digits as its factorization.

253166727661297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480090240, while the sum is 70.

The spelling of 253166727661297 in words is "two hundred fifty-three trillion, one hundred sixty-six billion, seven hundred twenty-seven million, six hundred sixty-one thousand, two hundred ninety-seven".