68664499446598 has 24 divisors (see below), whose sum is σ = 113215923873360. Its totient is φ = 31209862134000.

The previous prime is 68664499446559. The next prime is 68664499446737. The reversal of 68664499446598 is 89564499446686.

68664499446598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162808 + ... + 11719876.

It is an arithmetic number, because the mean of its divisors is an integer number (4717330161390).

Almost surely, 2^{68664499446598} is an apocalyptic number.

68664499446598 is a deficient number, since it is larger than the sum of its proper divisors (44551424426762).

68664499446598 is a wasteful number, since it uses less digits than its factorization.

68664499446598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581644 (or 11581633 counting only the distinct ones).

The product of its digits is 77396705280, while the sum is 88.

Adding to 68664499446598 its sum of digits (88), we get a palindrome (68664499446686).

The spelling of 68664499446598 in words is "sixty-eight trillion, six hundred sixty-four billion, four hundred ninety-nine million, four hundred forty-six thousand, five hundred ninety-eight".