173401061328 has 240 divisors, whose sum is σ = 533373736896. Its totient is φ = 52152975360.

The previous prime is 173401061269. The next prime is 173401061377. The reversal of 173401061328 is 823160104371.

It is a happy number.

173401061328 is a `hidden beast` number, since 1 + 7 + 3 + 4 + 0 + 10 + 613 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 173401061292 and 173401061301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142481776 + ... + 142482992.

Almost surely, 2^173401061328 is an apocalyptic number.

173401061328 is a gapful number since it is divisible by the number (18) 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 173401061328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266686868448).

173401061328 is an abundant number, since it is smaller than the sum of its proper divisors (359972675568).

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

173401061328 is a wasteful number, since it uses less digits than its factorization.

173401061328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 173401061328 its reverse (823160104371), we get a palindrome (996561165699).

The spelling of 173401061328 in words is "one hundred seventy-three billion, four hundred one million, sixty-one thousand, three hundred twenty-eight".