2116835380 has 24 divisors (see below), whose sum is σ = 4849477920. Its totient is φ = 769758240.

The previous prime is 2116835377. The next prime is 2116835417. The reversal of 2116835380 is 835386112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4810770 + ... + 4811209.

It is an arithmetic number, because the mean of its divisors is an integer number (202061580).

Almost surely, 2^2116835380 is an apocalyptic number.

2116835380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116835380 is an abundant number, since it is smaller than the sum of its proper divisors (2732642540).

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

2116835380 is a wasteful number, since it uses less digits than its factorization.

2116835380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621999 (or 9621997 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2116835380 is about 46009.0793213687. The cubic root of 2116835380 is about 1283.9921301071.

The spelling of 2116835380 in words is "two billion, one hundred sixteen million, eight hundred thirty-five thousand, three hundred eighty".