34220065646 has 32 divisors (see below), whose sum is σ = 58568106240. Its totient is φ = 14855210496.

The previous prime is 34220065609. The next prime is 34220065661. The reversal of 34220065646 is 64656002243.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 681635 + ... + 730113.

It is an arithmetic number, because the mean of its divisors is an integer number (1830253320).

Almost surely, 2^34220065646 is an apocalyptic number.

34220065646 is a deficient number, since it is larger than the sum of its proper divisors (24348040594).

34220065646 is a wasteful number, since it uses less digits than its factorization.

34220065646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50108.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 34220065646 its reverse (64656002243), we get a palindrome (98876067889).

The spelling of 34220065646 in words is "thirty-four billion, two hundred twenty million, sixty-five thousand, six hundred forty-six".