368578890061 has 2 divisors, whose sum is σ = 368578890062. Its totient is φ = 368578890060.

The previous prime is 368578890037. The next prime is 368578890089. The reversal of 368578890061 is 160098875863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242550340036 + 126028550025 = 492494^2 + 355005^2 .

It is an emirp because it is prime and its reverse (160098875863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368578890061 - 2²⁷ = 368444672333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368578890011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184289445030 + 184289445031.

It is an arithmetic number, because the mean of its divisors is an integer number (184289445031).

Almost surely, 2^368578890061 is an apocalyptic number.

It is an amenable number.

368578890061 is a deficient number, since it is larger than the sum of its proper divisors (1).

368578890061 is an equidigital number, since it uses as much as digits as its factorization.

368578890061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 368578890061 in words is "three hundred sixty-eight billion, five hundred seventy-eight million, eight hundred ninety thousand, sixty-one".