64055666336326 has 32 divisors (see below), whose sum is σ = 110462580111168. Its totient is φ = 27289263926400.

The previous prime is 64055666336261. The next prime is 64055666336351. The reversal of 64055666336326 is 62363366655046.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12609156 + ... + 16944088.

It is an arithmetic number, because the mean of its divisors is an integer number (3451955628474).

Almost surely, 2^{64055666336326} is an apocalyptic number.

64055666336326 is a deficient number, since it is larger than the sum of its proper divisors (46406913774842).

64055666336326 is a wasteful number, since it uses less digits than its factorization.

64055666336326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341216.

The product of its (nonzero) digits is 251942400, while the sum is 61.

The spelling of 64055666336326 in words is "sixty-four trillion, fifty-five billion, six hundred sixty-six million, three hundred thirty-six thousand, three hundred twenty-six".