2116898530 has 16 divisors (see below), whose sum is σ = 3862616184. Its totient is φ = 835159680.

The previous prime is 2116898527. The next prime is 2116898533. The reversal of 2116898530 is 358986112.

It is an interprime number because it is at equal distance from previous prime (2116898527) and next prime (2116898533).

It can be written as a sum of positive squares in 4 ways, for example, as 1165607881 + 951290649 = 34141^2 + 30843^2 .

It is not an unprimeable number, because it can be changed into a prime (2116898533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449201 + ... + 1450660.

Almost surely, 2^2116898530 is an apocalyptic number.

2116898530 is a deficient number, since it is larger than the sum of its proper divisors (1745717654).

2116898530 is a wasteful number, since it uses less digits than its factorization.

2116898530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899941.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 2116898530 is about 46009.7655938389. The cubic root of 2116898530 is about 1284.0048981125.

The spelling of 2116898530 in words is "two billion, one hundred sixteen million, eight hundred ninety-eight thousand, five hundred thirty".