173688416 has 24 divisors (see below), whose sum is σ = 373036104. Its totient is φ = 78949120.

The previous prime is 173688413. The next prime is 173688419. The reversal of 173688416 is 614886371.

173688416 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (173688413) and next prime (173688419).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173688413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246365 + ... + 247068.

It is an arithmetic number, because the mean of its divisors is an integer number (15543171).

Almost surely, 2^173688416 is an apocalyptic number.

173688416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

173688416 is an abundant number, since it is smaller than the sum of its proper divisors (199347688).

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

173688416 is a wasteful number, since it uses less digits than its factorization.

173688416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493454 (or 493446 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 173688416 is about 13179.0901051628. The cubic root of 173688416 is about 557.9435801522.

The spelling of 173688416 in words is "one hundred seventy-three million, six hundred eighty-eight thousand, four hundred sixteen".