68126656 has 28 divisors (see below), whose sum is σ = 145589752. Its totient is φ = 31442688.

The previous prime is 68126587. The next prime is 68126659. The reversal of 68126656 is 65662186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68126659) 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, 40110 + ... + 41773.

It is an arithmetic number, because the mean of its divisors is an integer number (5199634).

Almost surely, 2^68126656 is an apocalyptic number.

It is an amenable number.

68126656 is an abundant number, since it is smaller than the sum of its proper divisors (77463096).

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

68126656 is a wasteful number, since it uses less digits than its factorization.

68126656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81908 (or 81898 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 68126656 is about 8253.8873265874. The cubic root of 68126656 is about 408.4187677777.

The spelling of 68126656 in words is "sixty-eight million, one hundred twenty-six thousand, six hundred fifty-six".