64242066626 has 8 divisors (see below), whose sum is σ = 96406650684. Its totient is φ = 32106516400.

The previous prime is 64242066611. The next prime is 64242066631. The reversal of 64242066626 is 62666024246.

It can be written as a sum of positive squares in 2 ways, for example, as 59314167025 + 4927899601 = 243545^2 + 70199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7252925 + ... + 7261776.

Almost surely, 2^64242066626 is an apocalyptic number.

64242066626 is a deficient number, since it is larger than the sum of its proper divisors (32164584058).

64242066626 is a wasteful number, since it uses less digits than its factorization.

64242066626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516916.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 64242066626 in words is "sixty-four billion, two hundred forty-two million, sixty-six thousand, six hundred twenty-six".