2168246306 has 16 divisors (see below), whose sum is σ = 3366152640. Its totient is φ = 1046231760.

The previous prime is 2168246293. The next prime is 2168246383. The reversal of 2168246306 is 6036428612.

It is a self number, because there is not a number n which added to its sum of digits gives 2168246306.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 129635 + ... + 145401.

It is an arithmetic number, because the mean of its divisors is an integer number (210384540).

Almost surely, 2^2168246306 is an apocalyptic number.

2168246306 is a deficient number, since it is larger than the sum of its proper divisors (1197906334).

2168246306 is a wasteful number, since it uses less digits than its factorization.

2168246306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18169.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2168246306 is about 46564.4317693237. The cubic root of 2168246306 is about 1294.3037368670.

The spelling of 2168246306 in words is "two billion, one hundred sixty-eight million, two hundred forty-six thousand, three hundred six".