1138567166 has 12 divisors (see below), whose sum is σ = 1877224776. Its totient is φ = 517530420.

The previous prime is 1138567139. The next prime is 1138567187. The reversal of 1138567166 is 6617658311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2352170 + ... + 2352653.

It is an arithmetic number, because the mean of its divisors is an integer number (156435398).

Almost surely, 2^1138567166 is an apocalyptic number.

1138567166 is a deficient number, since it is larger than the sum of its proper divisors (738657610).

1138567166 is a wasteful number, since it uses less digits than its factorization.

1138567166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704847 (or 4704836 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 1138567166 is about 33742.6609205617. The cubic root of 1138567166 is about 1044.2060821234.

The spelling of 1138567166 in words is "one billion, one hundred thirty-eight million, five hundred sixty-seven thousand, one hundred sixty-six".