116146390621 has 2 divisors, whose sum is σ = 116146390622. Its totient is φ = 116146390620.

The previous prime is 116146390609. The next prime is 116146390667. The reversal of 116146390621 is 126093641611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113980512100 + 2165878521 = 337610^2 + 46539^2 .

It is a cyclic number.

It is not a de Polignac number, because 116146390621 - 2⁹ = 116146390109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116146370621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58073195310 + 58073195311.

It is an arithmetic number, because the mean of its divisors is an integer number (58073195311).

Almost surely, 2^116146390621 is an apocalyptic number.

It is an amenable number.

116146390621 is a deficient number, since it is larger than the sum of its proper divisors (1).

116146390621 is an equidigital number, since it uses as much as digits as its factorization.

116146390621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 116146390621 in words is "one hundred sixteen billion, one hundred forty-six million, three hundred ninety thousand, six hundred twenty-one".