221430552664606 has 8 divisors (see below), whose sum is σ = 332146739814120. Its totient is φ = 110714972726568.

The previous prime is 221430552664577. The next prime is 221430552664621. The reversal of 221430552664606 is 606466255034122.

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

It is a congruent number.

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, 150890101 + ... + 152350528.

It is an arithmetic number, because the mean of its divisors is an integer number (41518342476765).

Almost surely, 2^{221430552664606} is an apocalyptic number.

221430552664606 is a deficient number, since it is larger than the sum of its proper divisors (110716187149514).

221430552664606 is a wasteful number, since it uses less digits than its factorization.

221430552664606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303605738.

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 221430552664606 in words is "two hundred twenty-one trillion, four hundred thirty billion, five hundred fifty-two million, six hundred sixty-four thousand, six hundred six".