220646624606 has 4 divisors (see below), whose sum is σ = 330969936912. Its totient is φ = 110323312302.

The previous prime is 220646624599. The next prime is 220646624623. The reversal of 220646624606 is 606426646022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55161656150 + ... + 55161656153.

It is an arithmetic number, because the mean of its divisors is an integer number (82742484228).

Almost surely, 2^220646624606 is an apocalyptic number.

220646624606 is a deficient number, since it is larger than the sum of its proper divisors (110323312306).

220646624606 is a wasteful number, since it uses less digits than its factorization.

220646624606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110323312305.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 220646624606 in words is "two hundred twenty billion, six hundred forty-six million, six hundred twenty-four thousand, six hundred six".