68165369092 has 6 divisors (see below), whose sum is σ = 119289395918. Its totient is φ = 34082684544.

The previous prime is 68165369053. The next prime is 68165369093. The reversal of 68165369092 is 29096356186.

It can be written as a sum of positive squares in only one way, i.e., 43237380096 + 24927988996 = 207936^2 + 157886^2 .

It is not an unprimeable number, because it can be changed into a prime (68165369093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8520671133 + ... + 8520671140.

Almost surely, 2^68165369092 is an apocalyptic number.

It is an amenable number.

68165369092 is a deficient number, since it is larger than the sum of its proper divisors (51124026826).

68165369092 is a wasteful number, since it uses less digits than its factorization.

68165369092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17041342277 (or 17041342275 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 68165369092 in words is "sixty-eight billion, one hundred sixty-five million, three hundred sixty-nine thousand, ninety-two".