2138162316 has 12 divisors (see below), whose sum is σ = 4989045432. Its totient is φ = 712720768.

The previous prime is 2138162311. The next prime is 2138162329. The reversal of 2138162316 is 6132618312.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2138162311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89090085 + ... + 89090108.

It is an arithmetic number, because the mean of its divisors is an integer number (415753786).

Almost surely, 2^2138162316 is an apocalyptic number.

It is an amenable number.

2138162316 is an abundant number, since it is smaller than the sum of its proper divisors (2850883116).

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

2138162316 is a wasteful number, since it uses less digits than its factorization.

2138162316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178180200 (or 178180198 counting only the distinct ones).

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

The square root of 2138162316 is about 46240.2672570131. The cubic root of 2138162316 is about 1288.2897665696.

The spelling of 2138162316 in words is "two billion, one hundred thirty-eight million, one hundred sixty-two thousand, three hundred sixteen".