1168111164 has 48 divisors (see below), whose sum is σ = 3053748096. Its totient is φ = 344404800.

The previous prime is 1168111129. The next prime is 1168111181. The reversal of 1168111164 is 4611118611.

It is a super-2 number, since 2×1168111164² = 2728967382922869792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114702 + ... + 124469.

It is an arithmetic number, because the mean of its divisors is an integer number (63619752).

Almost surely, 2^1168111164 is an apocalyptic number.

It is an amenable number.

1168111164 is an abundant number, since it is smaller than the sum of its proper divisors (1885636932).

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

1168111164 is a wasteful number, since it uses less digits than its factorization.

1168111164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239226 (or 239224 counting only the distinct ones).

The product of its digits is 1152, while the sum is 30.

The square root of 1168111164 is about 34177.6412878361. The cubic root of 1168111164 is about 1053.1608949237.

Adding to 1168111164 its reverse (4611118611), we get a palindrome (5779229775).

The spelling of 1168111164 in words is "one billion, one hundred sixty-eight million, one hundred eleven thousand, one hundred sixty-four".