2168409912 has 32 divisors (see below), whose sum is σ = 5430790800. Its totient is φ = 721501184.

The previous prime is 2168409871. The next prime is 2168409913. The reversal of 2168409912 is 2199048612.

2168409912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168409913) 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, 67737 + ... + 94472.

Almost surely, 2^2168409912 is an apocalyptic number.

It is an amenable number.

2168409912 is an abundant number, since it is smaller than the sum of its proper divisors (3262380888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2168409912 is a wasteful number, since it uses less digits than its factorization.

2168409912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162775 (or 162771 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2168409912 is about 46566.1885062542. The cubic root of 2168409912 is about 1294.3362901384.

The spelling of 2168409912 in words is "two billion, one hundred sixty-eight million, four hundred nine thousand, nine hundred twelve".