2101162938 has 32 divisors (see below), whose sum is σ = 4831432704. Its totient is φ = 596735472.

The previous prime is 2101162933. The next prime is 2101162939. The reversal of 2101162938 is 8392611012.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2101162899 and 2101162908.

It is not an unprimeable number, because it can be changed into a prime (2101162933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142770 + ... + 156797.

It is an arithmetic number, because the mean of its divisors is an integer number (150982272).

Almost surely, 2^2101162938 is an apocalyptic number.

2101162938 is an abundant number, since it is smaller than the sum of its proper divisors (2730269766).

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

2101162938 is a wasteful number, since it uses less digits than its factorization.

2101162938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299746.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2101162938 is about 45838.4438872002. The cubic root of 2101162938 is about 1280.8155077422.

The spelling of 2101162938 in words is "two billion, one hundred one million, one hundred sixty-two thousand, nine hundred thirty-eight".