1010601166489 has 2 divisors, whose sum is σ = 1010601166490. Its totient is φ = 1010601166488.

The previous prime is 1010601166481. The next prime is 1010601166541. The reversal of 1010601166489 is 9846611060101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694667240089 + 315933926400 = 833467^2 + 562080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010601166489 - 2³ = 1010601166481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010601166481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505300583244 + 505300583245.

It is an arithmetic number, because the mean of its divisors is an integer number (505300583245).

Almost surely, 2^{1010601166489} is an apocalyptic number.

It is an amenable number.

1010601166489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010601166489 is an equidigital number, since it uses as much as digits as its factorization.

1010601166489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 1010601166489 in words is "one trillion, ten billion, six hundred one million, one hundred sixty-six thousand, four hundred eighty-nine".