68665326500 has 48 divisors (see below), whose sum is σ = 150019309440. Its totient is φ = 27456197600.

The previous prime is 68665326497. The next prime is 68665326511. The reversal of 68665326500 is 562356686.

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 15 ways as a sum of consecutive naturals, for example, 1446137 + ... + 1492863.

It is an arithmetic number, because the mean of its divisors is an integer number (3125402280).

Almost surely, 2^68665326500 is an apocalyptic number.

It is an amenable number.

68665326500 is an abundant number, since it is smaller than the sum of its proper divisors (81353982940).

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

68665326500 is a wasteful number, since it uses less digits than its factorization.

68665326500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49685 (or 49673 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 68665326500 in words is "sixty-eight billion, six hundred sixty-five million, three hundred twenty-six thousand, five hundred".