68215000218 has 32 divisors (see below), whose sum is σ = 141568376832. Its totient is φ = 21889618800.

The previous prime is 68215000199. The next prime is 68215000219. The reversal of 68215000218 is 81200051286.

It is not an unprimeable number, because it can be changed into a prime (68215000219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924546 + ... + 995597.

It is an arithmetic number, because the mean of its divisors is an integer number (4424011776).

Almost surely, 2^68215000218 is an apocalyptic number.

68215000218 is an abundant number, since it is smaller than the sum of its proper divisors (73353376614).

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

68215000218 is a wasteful number, since it uses less digits than its factorization.

68215000218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920370.

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 68215000218 in words is "sixty-eight billion, two hundred fifteen million, two hundred eighteen", and thus it is an aban number.