21606644160314 has 16 divisors (see below), whose sum is σ = 33819198573888. Its totient is φ = 10333580840352.

The previous prime is 21606644160313. The next prime is 21606644160329. The reversal of 21606644160314 is 41306144660612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21606644160313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22735709 + ... + 23666975.

It is an arithmetic number, because the mean of its divisors is an integer number (2113699910868).

Almost surely, 2^{21606644160314} is an apocalyptic number.

21606644160314 is a deficient number, since it is larger than the sum of its proper divisors (12212554413574).

21606644160314 is a wasteful number, since it uses less digits than its factorization.

21606644160314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435669.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 21606644160314 in words is "twenty-one trillion, six hundred six billion, six hundred forty-four million, one hundred sixty thousand, three hundred fourteen".