2113162638 has 8 divisors (see below), whose sum is σ = 4226325288. Its totient is φ = 704387544.

The previous prime is 2113162613. The next prime is 2113162643. The reversal of 2113162638 is 8362613112.

It is a sphenic number, since it is the product of 3 distinct primes.

2113162638 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2113162599 and 2113162608.

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 3 ways as a sum of consecutive naturals, for example, 176096881 + ... + 176096892.

It is an arithmetic number, because the mean of its divisors is an integer number (528290661).

Almost surely, 2^2113162638 is an apocalyptic number.

2113162638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2113162638 is a wasteful number, since it uses less digits than its factorization.

2113162638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352193778.

The product of its digits is 10368, while the sum is 33.

The square root of 2113162638 is about 45969.1487630563. The cubic root of 2113162638 is about 1283.2491181858.

The spelling of 2113162638 in words is "two billion, one hundred thirteen million, one hundred sixty-two thousand, six hundred thirty-eight".