68618148 has 12 divisors (see below), whose sum is σ = 160109040. Its totient is φ = 22872712.

The previous prime is 68618141. The next prime is 68618149. The reversal of 68618148 is 84181686.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (68618141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2859078 + ... + 2859101.

It is an arithmetic number, because the mean of its divisors is an integer number (13342420).

Almost surely, 2^68618148 is an apocalyptic number.

It is an amenable number.

68618148 is an abundant number, since it is smaller than the sum of its proper divisors (91490892).

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

68618148 is a wasteful number, since it uses less digits than its factorization.

68618148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718186 (or 5718184 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 68618148 is about 8283.6071852786. The cubic root of 68618148 is about 409.3985788567.

The spelling of 68618148 in words is "sixty-eight million, six hundred eighteen thousand, one hundred forty-eight".