221014686360 has 128 divisors (see below), whose sum is σ = 714304140480. Its totient is φ = 54384058368.

The previous prime is 221014686359. The next prime is 221014686377. The reversal of 221014686360 is 63686410122.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 4582692 + ... + 4630668.

Almost surely, 2^221014686360 is an apocalyptic number.

221014686360 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 221014686360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357152070240).

221014686360 is an abundant number, since it is smaller than the sum of its proper divisors (493289454120).

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

221014686360 is a wasteful number, since it uses less digits than its factorization.

221014686360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50957 (or 50953 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 221014686360 in words is "two hundred twenty-one billion, fourteen million, six hundred eighty-six thousand, three hundred sixty".