64173543106004 has 24 divisors (see below), whose sum is σ = 118393263391200. Its totient is φ = 30352006190880.

The previous prime is 64173543105983. The next prime is 64173543106009. The reversal of 64173543106004 is 40060134537146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64173543106009) 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, 638670434 + ... + 638770905.

It is an arithmetic number, because the mean of its divisors is an integer number (4933052641300).

Almost surely, 2^{64173543106004} is an apocalyptic number.

It is an amenable number.

64173543106004 is a deficient number, since it is larger than the sum of its proper divisors (54219720285196).

64173543106004 is a wasteful number, since it uses less digits than its factorization.

64173543106004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277442023 (or 1277442021 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 64173543106004 in words is "sixty-four trillion, one hundred seventy-three billion, five hundred forty-three million, one hundred six thousand, four".