2116728396 has 48 divisors (see below), whose sum is σ = 5565127680. Its totient is φ = 695635920.

The previous prime is 2116728389. The next prime is 2116728413. The reversal of 2116728396 is 6938276112.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 130356 + ... + 145691.

It is an arithmetic number, because the mean of its divisors is an integer number (115940160).

Almost surely, 2^2116728396 is an apocalyptic number.

It is an amenable number.

2116728396 is an abundant number, since it is smaller than the sum of its proper divisors (3448399284).

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

2116728396 is a wasteful number, since it uses less digits than its factorization.

2116728396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276131 (or 276123 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2116728396 is about 46007.9166665912. The cubic root of 2116728396 is about 1283.9704989291.

The spelling of 2116728396 in words is "two billion, one hundred sixteen million, seven hundred twenty-eight thousand, three hundred ninety-six".