68656956 has 24 divisors (see below), whose sum is σ = 168631680. Its totient is φ = 21681072.

The previous prime is 68656927. The next prime is 68656957. The reversal of 68656956 is 65965686.

It is a junction number, because it is equal to n+sod(n) for n = 68656899 and 68656908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68656957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150336 + ... + 150791.

It is an arithmetic number, because the mean of its divisors is an integer number (7026320).

Almost surely, 2^68656956 is an apocalyptic number.

It is an amenable number.

68656956 is an abundant number, since it is smaller than the sum of its proper divisors (99974724).

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

68656956 is a wasteful number, since it uses less digits than its factorization.

68656956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301153 (or 301151 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The square root of 68656956 is about 8285.9493119376. The cubic root of 68656956 is about 409.4757447680.

The spelling of 68656956 in words is "sixty-eight million, six hundred fifty-six thousand, nine hundred fifty-six".