68500700521584 has 80 divisors (see below), whose sum is σ = 178588689354240. Its totient is φ = 22623443700480.

The previous prime is 68500700521571. The next prime is 68500700521597. The reversal of 68500700521584 is 48512500700586.

It is an interprime number because it is at equal distance from previous prime (68500700521571) and next prime (68500700521597).

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, 206555869 + ... + 206887235.

It is an arithmetic number, because the mean of its divisors is an integer number (2232358616928).

Almost surely, 2^{68500700521584} is an apocalyptic number.

It is an amenable number.

68500700521584 is an abundant number, since it is smaller than the sum of its proper divisors (110087988832656).

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

68500700521584 is a wasteful number, since it uses less digits than its factorization.

68500700521584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370998 (or 370992 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 68500700521584 in words is "sixty-eight trillion, five hundred billion, seven hundred million, five hundred twenty-one thousand, five hundred eighty-four".