1160209997 has 2 divisors, whose sum is σ = 1160209998. Its totient is φ = 1160209996.

The previous prime is 1160209991. The next prime is 1160210011. The reversal of 1160209997 is 7999020611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853749961 + 306460036 = 29219^2 + 17506^2 .

It is an emirp because it is prime and its reverse (7999020611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1160209997 - 2²⁶ = 1093101133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1160209991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580104998 + 580104999.

It is an arithmetic number, because the mean of its divisors is an integer number (580104999).

Almost surely, 2^1160209997 is an apocalyptic number.

It is an amenable number.

1160209997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160209997 is an equidigital number, since it uses as much as digits as its factorization.

1160209997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 1160209997 is about 34061.8554544523. The cubic root of 1160209997 is about 1050.7809751380.

The spelling of 1160209997 in words is "one billion, one hundred sixty million, two hundred nine thousand, nine hundred ninety-seven".