173985351365904 has 80 divisors (see below), whose sum is σ = 484039210382784. Its totient is φ = 53533617984000.

The previous prime is 173985351365869. The next prime is 173985351365921. The reversal of 173985351365904 is 409563153589371.

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, 109723839 + ... + 111298209.

Almost surely, 2^{173985351365904} is an apocalyptic number.

It is an amenable number.

173985351365904 is an abundant number, since it is smaller than the sum of its proper divisors (310053859016880).

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

173985351365904 is a wasteful number, since it uses less digits than its factorization.

173985351365904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751496 (or 1751490 counting only the distinct ones).

The product of its (nonzero) digits is 367416000, while the sum is 69.

The spelling of 173985351365904 in words is "one hundred seventy-three trillion, nine hundred eighty-five billion, three hundred fifty-one million, three hundred sixty-five thousand, nine hundred four".