10089601661 has 2 divisors, whose sum is σ = 10089601662. Its totient is φ = 10089601660.

The previous prime is 10089601649. The next prime is 10089601663. The reversal of 10089601661 is 16610698001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9958842436 + 130759225 = 99794^2 + 11435^2 .

It is an emirp because it is prime and its reverse (16610698001) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 19910968001 and 10086901991.

It is a cyclic number.

It is not a de Polignac number, because 10089601661 - 2¹⁰ = 10089600637 is a prime.

Together with 10089601663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10089601663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5044800830 + 5044800831.

It is an arithmetic number, because the mean of its divisors is an integer number (5044800831).

Almost surely, 2^10089601661 is an apocalyptic number.

It is an amenable number.

10089601661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10089601661 is an equidigital number, since it uses as much as digits as its factorization.

10089601661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 10089601661 in words is "ten billion, eighty-nine million, six hundred one thousand, six hundred sixty-one".