68091168 has 24 divisors (see below), whose sum is σ = 178739568. Its totient is φ = 22697024.

The previous prime is 68091161. The next prime is 68091173. The reversal of 68091168 is 86119086.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (68091161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354546 + ... + 354737.

It is an arithmetic number, because the mean of its divisors is an integer number (7447482).

Almost surely, 2^68091168 is an apocalyptic number.

It is an amenable number.

68091168 is an abundant number, since it is smaller than the sum of its proper divisors (110648400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68091168 is a wasteful number, since it uses less digits than its factorization.

68091168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709296 (or 709288 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 68091168 is about 8251.7372716295. The cubic root of 68091168 is about 408.3478386999.

The spelling of 68091168 in words is "sixty-eight million, ninety-one thousand, one hundred sixty-eight".