660112097 has 2 divisors, whose sum is σ = 660112098. Its totient is φ = 660112096.

The previous prime is 660112093. The next prime is 660112111. The reversal of 660112097 is 790211066.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540516001 + 119596096 = 23249^2 + 10936^2 .

It is a cyclic number.

It is not a de Polignac number, because 660112097 - 2² = 660112093 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (660112093) 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, 330056048 + 330056049.

It is an arithmetic number, because the mean of its divisors is an integer number (330056049).

Almost surely, 2^660112097 is an apocalyptic number.

It is an amenable number.

660112097 is a deficient number, since it is larger than the sum of its proper divisors (1).

660112097 is an equidigital number, since it uses as much as digits as its factorization.

660112097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 660112097 is about 25692.6467496052. The cubic root of 660112097 is about 870.7080583654.

The spelling of 660112097 in words is "six hundred sixty million, one hundred twelve thousand, ninety-seven".