221667005006 has 16 divisors (see below), whose sum is σ = 350035123200. Its totient is φ = 104989783608.

The previous prime is 221667004969. The next prime is 221667005011. The reversal of 221667005006 is 600500766122.

It is a super-2 number, since 2×221667005006² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 108425 + ... + 674603.

It is an arithmetic number, because the mean of its divisors is an integer number (21877195200).

Almost surely, 2^221667005006 is an apocalyptic number.

221667005006 is a deficient number, since it is larger than the sum of its proper divisors (128368118194).

221667005006 is a wasteful number, since it uses less digits than its factorization.

221667005006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576503.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 221667005006 in words is "two hundred twenty-one billion, six hundred sixty-seven million, five thousand, six".