68853529656 has 40 divisors (see below), whose sum is σ = 192853638120. Its totient is φ = 22951176336.

The previous prime is 68853529649. The next prime is 68853529697. The reversal of 68853529656 is 65692535886.

68853529656 is a `hidden beast` number, since 6 + 8 + 8 + 53 + 529 + 6 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 68853529593 and 68853529602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 53127076 + ... + 53128371.

It is an arithmetic number, because the mean of its divisors is an integer number (4821340953).

Almost surely, 2^68853529656 is an apocalyptic number.

It is an amenable number.

68853529656 is an abundant number, since it is smaller than the sum of its proper divisors (124000108464).

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

68853529656 is a wasteful number, since it uses less digits than its factorization.

68853529656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106255465 (or 106255452 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 63.

The spelling of 68853529656 in words is "sixty-eight billion, eight hundred fifty-three million, five hundred twenty-nine thousand, six hundred fifty-six".