68560001653 has 32 divisors (see below), whose sum is σ = 81661063680. Its totient is φ = 56741223360.

The previous prime is 68560001647. The next prime is 68560001663. The reversal of 68560001653 is 35610006586.

It is a cyclic number.

It is not a de Polignac number, because 68560001653 - 2²⁵ = 68526447221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68560001663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3463458 + ... + 3483196.

It is an arithmetic number, because the mean of its divisors is an integer number (2551908240).

Almost surely, 2^68560001653 is an apocalyptic number.

It is an amenable number.

68560001653 is a deficient number, since it is larger than the sum of its proper divisors (13101062027).

68560001653 is a wasteful number, since it uses less digits than its factorization.

68560001653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 68560001653 in words is "sixty-eight billion, five hundred sixty million, one thousand, six hundred fifty-three".