221367068066 has 8 divisors (see below), whose sum is σ = 332066562240. Its totient is φ = 110678213988.

The previous prime is 221367068033. The next prime is 221367068071. The reversal of 221367068066 is 660860763122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221367068066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607806 + ... + 2691353.

It is an arithmetic number, because the mean of its divisors is an integer number (41508320280).

Almost surely, 2^221367068066 is an apocalyptic number.

221367068066 is a deficient number, since it is larger than the sum of its proper divisors (110699494174).

221367068066 is a wasteful number, since it uses less digits than its factorization.

221367068066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320048.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 221367068066 in words is "two hundred twenty-one billion, three hundred sixty-seven million, sixty-eight thousand, sixty-six".