64522205243206 has 16 divisors (see below), whose sum is σ = 96810487265520. Its totient is φ = 32252043922560.

The previous prime is 64522205243191. The next prime is 64522205243219. The reversal of 64522205243206 is 60234250222546.

It is a super-2 number, since 2×64522205243206² (a number of 28 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 (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120620770 + ... + 121154506.

It is an arithmetic number, because the mean of its divisors is an integer number (6050655454095).

Almost surely, 2^{64522205243206} is an apocalyptic number.

64522205243206 is a deficient number, since it is larger than the sum of its proper divisors (32288282022314).

64522205243206 is a wasteful number, since it uses less digits than its factorization.

64522205243206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550599.

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 64522205243206 in words is "sixty-four trillion, five hundred twenty-two billion, two hundred five million, two hundred forty-three thousand, two hundred six".