199952676366061 has 2 divisors, whose sum is σ = 199952676366062. Its totient is φ = 199952676366060.

The previous prime is 199952676366049. The next prime is 199952676366127. The reversal of 199952676366061 is 160663676259991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184656708434025 + 15295967932036 = 13588845^2 + 3911006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199952676366061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199952676366031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99976338183030 + 99976338183031.

It is an arithmetic number, because the mean of its divisors is an integer number (99976338183031).

Almost surely, 2^{199952676366061} is an apocalyptic number.

It is an amenable number.

199952676366061 is a deficient number, since it is larger than the sum of its proper divisors (1).

199952676366061 is an equidigital number, since it uses as much as digits as its factorization.

199952676366061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190427840, while the sum is 76.

The spelling of 199952676366061 in words is "one hundred ninety-nine trillion, nine hundred fifty-two billion, six hundred seventy-six million, three hundred sixty-six thousand, sixty-one".