64673518803230 has 32 divisors (see below), whose sum is σ = 116840708972928. Its totient is φ = 25774315696800.

The previous prime is 64673518803221. The next prime is 64673518803233. The reversal of 64673518803230 is 3230881537646.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64673518803233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373456 + ... + 11455715.

It is an arithmetic number, because the mean of its divisors is an integer number (3651272155404).

Almost surely, 2^{64673518803230} is an apocalyptic number.

64673518803230 is a deficient number, since it is larger than the sum of its proper divisors (52167190169698).

64673518803230 is a wasteful number, since it uses less digits than its factorization.

64673518803230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831032.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 64673518803230 in words is "sixty-four trillion, six hundred seventy-three billion, five hundred eighteen million, eight hundred three thousand, two hundred thirty".