68461168 has 20 divisors (see below), whose sum is σ = 133886520. Its totient is φ = 33909824.

The previous prime is 68461109. The next prime is 68461171. The reversal of 68461168 is 86116486.

It is a self number, because there is not a number n which added to its sum of digits gives 68461168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18283 + ... + 21706.

It is an arithmetic number, because the mean of its divisors is an integer number (6694326).

Almost surely, 2^68461168 is an apocalyptic number.

It is an amenable number.

68461168 is a deficient number, since it is larger than the sum of its proper divisors (65425352).

68461168 is a wasteful number, since it uses less digits than its factorization.

68461168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40104 (or 40098 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 68461168 is about 8274.1264191454. The cubic root of 68461168 is about 409.0861422684.

The spelling of 68461168 in words is "sixty-eight million, four hundred sixty-one thousand, one hundred sixty-eight".