68417620714464 has 96 divisors (see below), whose sum is σ = 205255630621440. Its totient is φ = 19547627968512.

The previous prime is 68417620714453. The next prime is 68417620714493. The reversal of 68417620714464 is 46441702671486.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 68417620714398 and 68417620714407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52200792 + ... + 53495400.

It is an arithmetic number, because the mean of its divisors is an integer number (2138079485640).

Almost surely, 2^{68417620714464} is an apocalyptic number.

It is an amenable number.

68417620714464 is an abundant number, since it is smaller than the sum of its proper divisors (136838009906976).

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

68417620714464 is a wasteful number, since it uses less digits than its factorization.

68417620714464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373272 (or 1373264 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 60.

The spelling of 68417620714464 in words is "sixty-eight trillion, four hundred seventeen billion, six hundred twenty million, seven hundred fourteen thousand, four hundred sixty-four".