1826950532161 has 2 divisors, whose sum is σ = 1826950532162. Its totient is φ = 1826950532160.

The previous prime is 1826950532153. The next prime is 1826950532179. The reversal of 1826950532161 is 1612350596281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1691154597136 + 135795935025 = 1300444^2 + 368505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1826950532161 - 2³ = 1826950532153 is a prime.

It is a super-2 number, since 2×1826950532161² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1826950532261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913475266080 + 913475266081.

It is an arithmetic number, because the mean of its divisors is an integer number (913475266081).

Almost surely, 2^{1826950532161} is an apocalyptic number.

It is an amenable number.

1826950532161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1826950532161 is an equidigital number, since it uses as much as digits as its factorization.

1826950532161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 1826950532161 in words is "one trillion, eight hundred twenty-six billion, nine hundred fifty million, five hundred thirty-two thousand, one hundred sixty-one".