2168668612 has 24 divisors (see below), whose sum is σ = 4273742592. Its totient is φ = 953959200.

The previous prime is 2168668589. The next prime is 2168668613.

2168668612 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2168668613) 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, 793603 + ... + 796330.

It is an arithmetic number, because the mean of its divisors is an integer number (178072608).

Almost surely, 2^2168668612 is an apocalyptic number.

2168668612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2168668612 is a deficient number, since it is larger than the sum of its proper divisors (2105073980).

2168668612 is a wasteful number, since it uses less digits than its factorization.

2168668612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589979 (or 1589977 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 2168668612 is about 46568.9661899424. The cubic root of 2168668612 is about 1294.3877612619.

The spelling of 2168668612 in words is "two billion, one hundred sixty-eight million, six hundred sixty-eight thousand, six hundred twelve".