173490228576 has 144 divisors (see below), whose sum is σ = 565023513600. Its totient is φ = 49464877824.

The previous prime is 173490228533. The next prime is 173490228577. The reversal of 173490228576 is 675822094371.

It is a happy number.

173490228576 is a `hidden beast` number, since 1 + 7 + 3 + 49 + 0 + 2 + 28 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×173490228576² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173490228577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875835 + ... + 1055493.

It is an arithmetic number, because the mean of its divisors is an integer number (3923774400).

It is a 2-persistent number, because it is pandigital, and so is 2⋅173490228576 = 346980457152, but 3⋅173490228576 = 520470685728 is not.

Almost surely, 2^173490228576 is an apocalyptic number.

173490228576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173490228576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282511756800).

173490228576 is an abundant number, since it is smaller than the sum of its proper divisors (391533285024).

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

173490228576 is a wasteful number, since it uses less digits than its factorization.

173490228576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180161 (or 180150 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 173490228576 in words is "one hundred seventy-three billion, four hundred ninety million, two hundred twenty-eight thousand, five hundred seventy-six".