11438168334 has 16 divisors (see below), whose sum is σ = 23098438272. Its totient is φ = 3775705848.

The previous prime is 11438168323. The next prime is 11438168347. The reversal of 11438168334 is 43386183411.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9253564 + ... + 9254799.

It is an arithmetic number, because the mean of its divisors is an integer number (1443652392).

Almost surely, 2^11438168334 is an apocalyptic number.

11438168334 is an abundant number, since it is smaller than the sum of its proper divisors (11660269938).

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

11438168334 is a wasteful number, since it uses less digits than its factorization.

11438168334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18508471.

The product of its digits is 165888, while the sum is 42.

The spelling of 11438168334 in words is "eleven billion, four hundred thirty-eight million, one hundred sixty-eight thousand, three hundred thirty-four".