2116956956 has 6 divisors (see below), whose sum is σ = 3704674680. Its totient is φ = 1058478476.

The previous prime is 2116956931. The next prime is 2116956967. The reversal of 2116956956 is 6596596112.

It is a happy number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 264619616 + ... + 264619623.

It is an arithmetic number, because the mean of its divisors is an integer number (617445780).

Almost surely, 2^2116956956 is an apocalyptic number.

It is an amenable number.

2116956956 is a deficient number, since it is larger than the sum of its proper divisors (1587717724).

2116956956 is a wasteful number, since it uses less digits than its factorization.

2116956956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529239243 (or 529239241 counting only the distinct ones).

The product of its digits is 874800, while the sum is 50.

The square root of 2116956956 is about 46010.4005198825. The cubic root of 2116956956 is about 1284.0167107681.

It can be divided in two parts, 21169 and 56956, that added together give a 7-th power (78125 = 5⁷).

The spelling of 2116956956 in words is "two billion, one hundred sixteen million, nine hundred fifty-six thousand, nine hundred fifty-six".