10166356340269 has 2 divisors, whose sum is σ = 10166356340270. Its totient is φ = 10166356340268.

The previous prime is 10166356340197. The next prime is 10166356340401. The reversal of 10166356340269 is 96204365366101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7168738502500 + 2997617837769 = 2677450^2 + 1731363^2 .

It is a cyclic number.

It is not a de Polignac number, because 10166356340269 - 2¹⁹ = 10166355815981 is a prime.

It is a super-2 number, since 2×10166356340269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10166356340069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5083178170134 + 5083178170135.

It is an arithmetic number, because the mean of its divisors is an integer number (5083178170135).

Almost surely, 2^{10166356340269} is an apocalyptic number.

It is an amenable number.

10166356340269 is a deficient number, since it is larger than the sum of its proper divisors (1).

10166356340269 is an equidigital number, since it uses as much as digits as its factorization.

10166356340269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 10166356340269 in words is "ten trillion, one hundred sixty-six billion, three hundred fifty-six million, three hundred forty thousand, two hundred sixty-nine".