109966601 has 2 divisors, whose sum is σ = 109966602. Its totient is φ = 109966600.

The previous prime is 109966567. The next prime is 109966607. The reversal of 109966601 is 106669901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72267001 + 37699600 = 8501^2 + 6140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109966601 is a prime.

It is not a weakly prime, because it can be changed into another prime (109966607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54983300 + 54983301.

It is an arithmetic number, because the mean of its divisors is an integer number (54983301).

Almost surely, 2^109966601 is an apocalyptic number.

It is an amenable number.

109966601 is a deficient number, since it is larger than the sum of its proper divisors (1).

109966601 is an equidigital number, since it uses as much as digits as its factorization.

109966601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 109966601 is about 10486.4961259708. The cubic root of 109966601 is about 479.0934872727.

The spelling of 109966601 in words is "one hundred nine million, nine hundred sixty-six thousand, six hundred one".