1164161449 has 6 divisors (see below), whose sum is σ = 1279615610. Its totient is φ = 1058328480.

The previous prime is 1164161447. The next prime is 1164161477. The reversal of 1164161449 is 9441614611.

It can be written as a sum of positive squares in only one way, i.e., 744198400 + 419963049 = 27280^2 + 20493^2 .

It is not a de Polignac number, because 1164161449 - 2¹ = 1164161447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164161447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4810464 + ... + 4810705.

Almost surely, 2^1164161449 is an apocalyptic number.

It is an amenable number.

1164161449 is a deficient number, since it is larger than the sum of its proper divisors (115454161).

1164161449 is an equidigital number, since it uses as much as digits as its factorization.

1164161449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621191 (or 9621180 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1164161449 is about 34119.8102134229. The cubic root of 1164161449 is about 1051.9725426795.

The spelling of 1164161449 in words is "one billion, one hundred sixty-four million, one hundred sixty-one thousand, four hundred forty-nine".