221543223736060 has 96 divisors (see below), whose sum is σ = 482625336049920. Its totient is φ = 85323011558400.

The previous prime is 221543223736049. The next prime is 221543223736103. The reversal of 221543223736060 is 60637322345122.

It is a super-3 number, since 3×221543223736060³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221543223736060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5760185230 + ... + 5760223690.

It is an arithmetic number, because the mean of its divisors is an integer number (5027347250520).

Almost surely, 2^{221543223736060} is an apocalyptic number.

221543223736060 is a gapful number since it is divisible by the number (20) 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 221543223736060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241312668024960).

221543223736060 is an abundant number, since it is smaller than the sum of its proper divisors (261082112313860).

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

221543223736060 is a wasteful number, since it uses less digits than its factorization.

221543223736060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65927 (or 65925 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 221543223736060 in words is "two hundred twenty-one trillion, five hundred forty-three billion, two hundred twenty-three million, seven hundred thirty-six thousand, sixty".