2116864359 has 12 divisors (see below), whose sum is σ = 3059257656. Its totient is φ = 1410520752.

The previous prime is 2116864333. The next prime is 2116864381. The reversal of 2116864359 is 9534686112.

2116864359 is a `hidden beast` number, since 211 + 6 + 86 + 4 + 359 = 666.

It is not a de Polignac number, because 2116864359 - 2⁸ = 2116864103 is a prime.

It is a super-2 number, since 2×2116864359² = 8962229428808961762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116864859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41304 + ... + 77069.

It is an arithmetic number, because the mean of its divisors is an integer number (254938138).

Almost surely, 2^2116864359 is an apocalyptic number.

2116864359 is a deficient number, since it is larger than the sum of its proper divisors (942393297).

2116864359 is a wasteful number, since it uses less digits than its factorization.

2116864359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120366 (or 120363 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2116864359 is about 46009.3942472622. The cubic root of 2116864359 is about 1283.9979892681.

The spelling of 2116864359 in words is "two billion, one hundred sixteen million, eight hundred sixty-four thousand, three hundred fifty-nine".