1968607196168 has 32 divisors (see below), whose sum is σ = 3908601005400. Its totient is φ = 926323571712.

The previous prime is 1968607196113. The next prime is 1968607196191. The reversal of 1968607196168 is 8616917068691.

It can be written as a sum of positive squares in 4 ways, for example, as 1612701886084 + 355905310084 = 1269922^2 + 596578^2 .

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a junction number, because it is equal to n+sod(n) for n = 1968607196098 and 1968607196107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975818 + ... + 2211206.

Almost surely, 2^{1968607196168} is an apocalyptic number.

It is an amenable number.

1968607196168 is a deficient number, since it is larger than the sum of its proper divisors (1939993809232).

1968607196168 is a wasteful number, since it uses less digits than its factorization.

1968607196168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247129 (or 1247125 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 68.

The spelling of 1968607196168 in words is "one trillion, nine hundred sixty-eight billion, six hundred seven million, one hundred ninety-six thousand, one hundred sixty-eight".