64345655020326 has 16 divisors (see below), whose sum is σ = 128772605896704. Its totient is φ = 21435002364104.

The previous prime is 64345655020321. The next prime is 64345655020343. The reversal of 64345655020326 is 62302055654346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64345655020321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387317046 + ... + 3387336041.

It is an arithmetic number, because the mean of its divisors is an integer number (8048287868544).

Almost surely, 2^{64345655020326} is an apocalyptic number.

64345655020326 is an abundant number, since it is smaller than the sum of its proper divisors (64426950876378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64345655020326 is a wasteful number, since it uses less digits than its factorization.

64345655020326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774654675.

The product of its (nonzero) digits is 15552000, while the sum is 51.

The spelling of 64345655020326 in words is "sixty-four trillion, three hundred forty-five billion, six hundred fifty-five million, twenty thousand, three hundred twenty-six".