1168044069 has 4 divisors (see below), whose sum is σ = 1557392096. Its totient is φ = 778696044.

The previous prime is 1168044067. The next prime is 1168044091. The reversal of 1168044069 is 9604408611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1168044069 - 2¹ = 1168044067 is a prime.

It is a super-2 number, since 2×1168044069² = 2728653894252153522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168044067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194674009 + ... + 194674014.

It is an arithmetic number, because the mean of its divisors is an integer number (389348024).

Almost surely, 2^1168044069 is an apocalyptic number.

It is an amenable number.

1168044069 is a deficient number, since it is larger than the sum of its proper divisors (389348027).

1168044069 is an equidigital number, since it uses as much as digits as its factorization.

1168044069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389348026.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1168044069 is about 34176.6597109782. The cubic root of 1168044069 is about 1053.1407304093.

The spelling of 1168044069 in words is "one billion, one hundred sixty-eight million, forty-four thousand, sixty-nine".