2168883761 has 16 divisors (see below), whose sum is σ = 2419642368. Its totient is φ = 1927170000.

The previous prime is 2168883737. The next prime is 2168883767. The reversal of 2168883761 is 1673888612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2168883761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2168883767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454136 + ... + 458886.

It is an arithmetic number, because the mean of its divisors is an integer number (151227648).

Almost surely, 2^2168883761 is an apocalyptic number.

It is an amenable number.

2168883761 is a deficient number, since it is larger than the sum of its proper divisors (250758607).

2168883761 is a wasteful number, since it uses less digits than its factorization.

2168883761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692.

The product of its digits is 774144, while the sum is 50.

The square root of 2168883761 is about 46571.2761366918. The cubic root of 2168883761 is about 1294.4305643319.

The spelling of 2168883761 in words is "two billion, one hundred sixty-eight million, eight hundred eighty-three thousand, seven hundred sixty-one".