2116208835 has 40 divisors (see below), whose sum is σ = 4085318160. Its totient is φ = 1041823296.

The previous prime is 2116208827. The next prime is 2116208849. The reversal of 2116208835 is 5388026112.

It is a happy number.

2116208835 is a `hidden beast` number, since 21 + 1 + 620 + 8 + 8 + 3 + 5 = 666.

It is not a de Polignac number, because 2116208835 - 2³ = 2116208827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116208835.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 195705 + ... + 206234.

It is an arithmetic number, because the mean of its divisors is an integer number (102132954).

Almost surely, 2^2116208835 is an apocalyptic number.

2116208835 is a deficient number, since it is larger than the sum of its proper divisors (1969109325).

2116208835 is a wasteful number, since it uses less digits than its factorization.

2116208835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401969 (or 401960 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2116208835 is about 46002.2698896478. The cubic root of 2116208835 is about 1283.8654381214.

The spelling of 2116208835 in words is "two billion, one hundred sixteen million, two hundred eight thousand, eight hundred thirty-five".