1196996161 has 2 divisors, whose sum is σ = 1196996162. Its totient is φ = 1196996160.

The previous prime is 1196996131. The next prime is 1196996167. The reversal of 1196996161 is 1616996911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 953636161 + 243360000 = 30881^2 + 15600^2 .

It is an emirp because it is prime and its reverse (1616996911) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1919669611 and 1169669191.

It is a cyclic number.

It is not a de Polignac number, because 1196996161 - 2¹⁵ = 1196963393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1196996167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598498080 + 598498081.

It is an arithmetic number, because the mean of its divisors is an integer number (598498081).

Almost surely, 2^1196996161 is an apocalyptic number.

It is an amenable number.

1196996161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196996161 is an equidigital number, since it uses as much as digits as its factorization.

1196996161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 49.

The square root of 1196996161 is about 34597.6323033817. The cubic root of 1196996161 is about 1061.7711462898.

The spelling of 1196996161 in words is "one billion, one hundred ninety-six million, nine hundred ninety-six thousand, one hundred sixty-one".