221053163 has 8 divisors (see below), whose sum is σ = 233088000. Its totient is φ = 209058408.

The previous prime is 221053123. The next prime is 221053169. The reversal of 221053163 is 361350122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221053163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221053169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670 + ... + 21092.

It is an arithmetic number, because the mean of its divisors is an integer number (29136000).

Almost surely, 2^221053163 is an apocalyptic number.

221053163 is a deficient number, since it is larger than the sum of its proper divisors (12034837).

221053163 is a wasteful number, since it uses less digits than its factorization.

221053163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20041.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 221053163 is about 14867.8567049861. The cubic root of 221053163 is about 604.6428354277.

The spelling of 221053163 in words is "two hundred twenty-one million, fifty-three thousand, one hundred sixty-three".