50168088357661 has 2 divisors, whose sum is σ = 50168088357662. Its totient is φ = 50168088357660.

The previous prime is 50168088357637. The next prime is 50168088357701. The reversal of 50168088357661 is 16675388086105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37666524937636 + 12501563420025 = 6137306^2 + 3535755^2 .

It is a cyclic number.

It is not a de Polignac number, because 50168088357661 - 2⁷ = 50168088357533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50168088357593 and 50168088357602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50168088357631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25084044178830 + 25084044178831.

It is an arithmetic number, because the mean of its divisors is an integer number (25084044178831).

Almost surely, 2^{50168088357661} is an apocalyptic number.

It is an amenable number.

50168088357661 is a deficient number, since it is larger than the sum of its proper divisors (1).

50168088357661 is an equidigital number, since it uses as much as digits as its factorization.

50168088357661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58060800, while the sum is 64.

The spelling of 50168088357661 in words is "fifty trillion, one hundred sixty-eight billion, eighty-eight million, three hundred fifty-seven thousand, six hundred sixty-one".