2168648297092 has 6 divisors (see below), whose sum is σ = 3795134519918. Its totient is φ = 1084324148544.

The previous prime is 2168648297089. The next prime is 2168648297117. The reversal of 2168648297092 is 2907928468612.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1938148446276 + 230499850816 = 1392174^2 + 480104^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271081037133 + ... + 271081037140.

Almost surely, 2^{2168648297092} is an apocalyptic number.

It is an amenable number.

2168648297092 is a deficient number, since it is larger than the sum of its proper divisors (1626486222826).

2168648297092 is a wasteful number, since it uses less digits than its factorization.

2168648297092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542162074277 (or 542162074275 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 2168648297092 in words is "two trillion, one hundred sixty-eight billion, six hundred forty-eight million, two hundred ninety-seven thousand, ninety-two".