1144161366 has 16 divisors (see below), whose sum is σ = 2311914864. Its totient is φ = 377455104.

The previous prime is 1144161349. The next prime is 1144161367. The reversal of 1144161366 is 6631614411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144161367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982375 + ... + 983538.

It is an arithmetic number, because the mean of its divisors is an integer number (144494679).

Almost surely, 2^1144161366 is an apocalyptic number.

1144161366 is an abundant number, since it is smaller than the sum of its proper divisors (1167753498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144161366 is a wasteful number, since it uses less digits than its factorization.

1144161366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966015.

The product of its digits is 10368, while the sum is 33.

The square root of 1144161366 is about 33825.4544093646. The cubic root of 1144161366 is about 1045.9134785555.

Adding to 1144161366 its reverse (6631614411), we get a palindrome (7775775777).

The spelling of 1144161366 in words is "one billion, one hundred forty-four million, one hundred sixty-one thousand, three hundred sixty-six".