1127638168 has 8 divisors (see below), whose sum is σ = 2114321580. Its totient is φ = 563819080.

The previous prime is 1127638157. The next prime is 1127638223. The reversal of 1127638168 is 8618367211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70477378 + ... + 70477393.

Almost surely, 2^1127638168 is an apocalyptic number.

It is an amenable number.

1127638168 is a deficient number, since it is larger than the sum of its proper divisors (986683412).

1127638168 is a wasteful number, since it uses less digits than its factorization.

1127638168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140954777 (or 140954773 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 1127638168 is about 33580.3241199367. The cubic root of 1127638168 is about 1040.8542562084.

The spelling of 1127638168 in words is "one billion, one hundred twenty-seven million, six hundred thirty-eight thousand, one hundred sixty-eight".