68211712005620 has 48 divisors (see below), whose sum is σ = 153118294818048. Its totient is φ = 25461847952640.

The previous prime is 68211712005599. The next prime is 68211712005649. The reversal of 68211712005620 is 2650021711286.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 1808351024 + ... + 1808388743.

It is an arithmetic number, because the mean of its divisors is an integer number (3189964475376).

Almost surely, 2^{68211712005620} is an apocalyptic number.

It is an amenable number.

68211712005620 is an abundant number, since it is smaller than the sum of its proper divisors (84906582812428).

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

68211712005620 is a wasteful number, since it uses less digits than its factorization.

68211712005620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616739840 (or 3616739838 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 68211712005620 in words is "sixty-eight trillion, two hundred eleven billion, seven hundred twelve million, five thousand, six hundred twenty".