221367068057 has 8 divisors (see below), whose sum is σ = 223630355520. Its totient is φ = 219112469680.

The previous prime is 221367068033. The next prime is 221367068071. The reversal of 221367068057 is 750860763122.

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

It is a cyclic number.

It is not a de Polignac number, because 221367068057 - 2⁶ = 221367067993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221367068257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121053 + ... + 2222970.

It is an arithmetic number, because the mean of its divisors is an integer number (27953794440).

Almost surely, 2^221367068057 is an apocalyptic number.

It is an amenable number.

221367068057 is a deficient number, since it is larger than the sum of its proper divisors (2263287463).

221367068057 is a wasteful number, since it uses less digits than its factorization.

221367068057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344543.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 221367068057 in words is "two hundred twenty-one billion, three hundred sixty-seven million, sixty-eight thousand, fifty-seven".