64344675226506 has 16 divisors (see below), whose sum is σ = 132840619822848. Its totient is φ = 20756346847200.

The previous prime is 64344675226493. The next prime is 64344675226523. The reversal of 64344675226506 is 60562257644346.

It is a self number, because there is not a number n which added to its sum of digits gives 64344675226506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172969556875 + ... + 172969557246.

It is an arithmetic number, because the mean of its divisors is an integer number (8302538738928).

Almost surely, 2^{64344675226506} is an apocalyptic number.

64344675226506 is an abundant number, since it is smaller than the sum of its proper divisors (68495944596342).

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

64344675226506 is a wasteful number, since it uses less digits than its factorization.

64344675226506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345939114157.

The product of its (nonzero) digits is 174182400, while the sum is 60.

The spelling of 64344675226506 in words is "sixty-four trillion, three hundred forty-four billion, six hundred seventy-five million, two hundred twenty-six thousand, five hundred six".