173642215164 has 48 divisors (see below), whose sum is σ = 465261444480. Its totient is φ = 49849439040.

The previous prime is 173642215007. The next prime is 173642215177. The reversal of 173642215164 is 461512246371.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34615159 + ... + 34620174.

It is an arithmetic number, because the mean of its divisors is an integer number (9692946760).

Almost surely, 2^173642215164 is an apocalyptic number.

It is an amenable number.

173642215164 is an abundant number, since it is smaller than the sum of its proper divisors (291619229316).

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

173642215164 is a wasteful number, since it uses less digits than its factorization.

173642215164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69235370 (or 69235368 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The spelling of 173642215164 in words is "one hundred seventy-three billion, six hundred forty-two million, two hundred fifteen thousand, one hundred sixty-four".