221383073760 has 96 divisors (see below), whose sum is σ = 697423789440. Its totient is φ = 59029805568.

The previous prime is 221383073711. The next prime is 221383073771. The reversal of 221383073760 is 67370383122.

It is a tau number, because it is divible by the number of its divisors (96).

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, 7955551 + ... + 7983329.

It is an arithmetic number, because the mean of its divisors is an integer number (7264831140).

Almost surely, 2^221383073760 is an apocalyptic number.

221383073760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221383073760 is an abundant number, since it is smaller than the sum of its proper divisors (476040715680).

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

221383073760 is a wasteful number, since it uses less digits than its factorization.

221383073760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44400 (or 44392 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 221383073760 in words is "two hundred twenty-one billion, three hundred eighty-three million, seventy-three thousand, seven hundred sixty".