1100016601 has 2 divisors, whose sum is σ = 1100016602. Its totient is φ = 1100016600.

The previous prime is 1100016587. The next prime is 1100016611. The reversal of 1100016601 is 1066100011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870191001 + 229825600 = 29499^2 + 15160^2 .

It is an emirp because it is prime and its reverse (1066100011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100016601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100016611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550008300 + 550008301.

It is an arithmetic number, because the mean of its divisors is an integer number (550008301).

Almost surely, 2^1100016601 is an apocalyptic number.

It is an amenable number.

1100016601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100016601 is an equidigital number, since it uses as much as digits as its factorization.

1100016601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1100016601 is about 33166.4981721013. The cubic root of 1100016601 is about 1032.2853084248.

Adding to 1100016601 its reverse (1066100011), we get a palindrome (2166116612).

The spelling of 1100016601 in words is "one billion, one hundred million, sixteen thousand, six hundred one".