215022365068 has 72 divisors (see below), whose sum is σ = 446299534800. Its totient is φ = 90349564032.

The previous prime is 215022365023. The next prime is 215022365071. The reversal of 215022365068 is 860563220512.

It is a happy number.

215022365068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 215022365068.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16396098 + ... + 16409206.

It is an arithmetic number, because the mean of its divisors is an integer number (6198604650).

Almost surely, 2^215022365068 is an apocalyptic number.

215022365068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215022365068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223149767400).

215022365068 is an abundant number, since it is smaller than the sum of its proper divisors (231277169732).

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

215022365068 is a wasteful number, since it uses less digits than its factorization.

215022365068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14759 (or 14750 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 215022365068 in words is "two hundred fifteen billion, twenty-two million, three hundred sixty-five thousand, sixty-eight".