64005565622 has 4 divisors (see below), whose sum is σ = 96008348436. Its totient is φ = 32002782810.

The previous prime is 64005565609. The next prime is 64005565669. The reversal of 64005565622 is 22656550046.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64005565622.

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, 16001391404 + ... + 16001391407.

It is an arithmetic number, because the mean of its divisors is an integer number (24002087109).

Almost surely, 2^64005565622 is an apocalyptic number.

64005565622 is a deficient number, since it is larger than the sum of its proper divisors (32002782814).

64005565622 is a wasteful number, since it uses less digits than its factorization.

64005565622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32002782813.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 64005565622 in words is "sixty-four billion, five million, five hundred sixty-five thousand, six hundred twenty-two".