107659661 has 2 divisors, whose sum is σ = 107659662. Its totient is φ = 107659660.

The previous prime is 107659649. The next prime is 107659663. The reversal of 107659661 is 166956701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101808100 + 5851561 = 10090^2 + 2419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107659661 is a prime.

Together with 107659663, 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 (107659663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53829830 + 53829831.

It is an arithmetic number, because the mean of its divisors is an integer number (53829831).

Almost surely, 2^107659661 is an apocalyptic number.

It is an amenable number.

107659661 is a deficient number, since it is larger than the sum of its proper divisors (1).

107659661 is an equidigital number, since it uses as much as digits as its factorization.

107659661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 107659661 is about 10375.9173570340. The cubic root of 107659661 is about 475.7195535708.

Adding to 107659661 its product of nonzero digits (68040), we get a palindrome (107727701).

The spelling of 107659661 in words is "one hundred seven million, six hundred fifty-nine thousand, six hundred sixty-one".