68524753646 has 16 divisors (see below), whose sum is σ = 105276058800. Its totient is φ = 33434227008.

The previous prime is 68524753541. The next prime is 68524753657. The reversal of 68524753646 is 64635742586.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68524753591 and 68524753600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280751 + ... + 464618.

It is an arithmetic number, because the mean of its divisors is an integer number (6579753675).

Almost surely, 2^68524753646 is an apocalyptic number.

68524753646 is a deficient number, since it is larger than the sum of its proper divisors (36751305154).

68524753646 is a wasteful number, since it uses less digits than its factorization.

68524753646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746483.

The product of its digits is 29030400, while the sum is 56.

The spelling of 68524753646 in words is "sixty-eight billion, five hundred twenty-four million, seven hundred fifty-three thousand, six hundred forty-six".