1161699853 has 2 divisors, whose sum is σ = 1161699854. Its totient is φ = 1161699852.

The previous prime is 1161699827. The next prime is 1161699883. The reversal of 1161699853 is 3589961611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 740547369 + 421152484 = 27213^2 + 20522^2 .

It is an emirp because it is prime and its reverse (3589961611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161699853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1161699797 and 1161699806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161699883) 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, 580849926 + 580849927.

It is an arithmetic number, because the mean of its divisors is an integer number (580849927).

Almost surely, 2^1161699853 is an apocalyptic number.

It is an amenable number.

1161699853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161699853 is an equidigital number, since it uses as much as digits as its factorization.

1161699853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 49.

The square root of 1161699853 is about 34083.7182977445. The cubic root of 1161699853 is about 1051.2305611948.

The spelling of 1161699853 in words is "one billion, one hundred sixty-one million, six hundred ninety-nine thousand, eight hundred fifty-three".