2128598116 has 6 divisors (see below), whose sum is σ = 3725046710. Its totient is φ = 1064299056.

The previous prime is 2128598099. The next prime is 2128598117. The reversal of 2128598116 is 6118958212.

It can be written as a sum of positive squares in only one way, i.e., 1972248100 + 156350016 = 44410^2 + 12504^2 .

It is not an unprimeable number, because it can be changed into a prime (2128598117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266074761 + ... + 266074768.

Almost surely, 2^2128598116 is an apocalyptic number.

It is an amenable number.

2128598116 is a deficient number, since it is larger than the sum of its proper divisors (1596448594).

2128598116 is a wasteful number, since it uses less digits than its factorization.

2128598116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532149533 (or 532149531 counting only the distinct ones).

The product of its digits is 69120, while the sum is 43.

The square root of 2128598116 is about 46136.7328275421. The cubic root of 2128598116 is about 1286.3660151365.

The spelling of 2128598116 in words is "two billion, one hundred twenty-eight million, five hundred ninety-eight thousand, one hundred sixteen".