1162816997 has 2 divisors, whose sum is σ = 1162816998. Its totient is φ = 1162816996.

The previous prime is 1162816981. The next prime is 1162816999. The reversal of 1162816997 is 7996182611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942858436 + 219958561 = 30706^2 + 14831^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162816997 - 2⁴ = 1162816981 is a prime.

Together with 1162816999, 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 (1162816999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581408498 + 581408499.

It is an arithmetic number, because the mean of its divisors is an integer number (581408499).

Almost surely, 2^1162816997 is an apocalyptic number.

It is an amenable number.

1162816997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162816997 is an equidigital number, since it uses as much as digits as its factorization.

1162816997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 50.

The square root of 1162816997 is about 34100.1025951536. The cubic root of 1162816997 is about 1051.5674237867.

The spelling of 1162816997 in words is "one billion, one hundred sixty-two million, eight hundred sixteen thousand, nine hundred ninety-seven".