173136642048 has 640 divisors, whose sum is σ = 556857710640. Its totient is φ = 53508833280.

The previous prime is 173136642031. The next prime is 173136642127. The reversal of 173136642048 is 840246631371.

173136642048 is a `hidden beast` number, since 173 + 13 + 6 + 6 + 420 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 173136641994 and 173136642012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4026433515 + ... + 4026433557.

Almost surely, 2^173136642048 is an apocalyptic number.

173136642048 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 173136642048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278428855320).

173136642048 is an abundant number, since it is smaller than the sum of its proper divisors (383721068592).

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

173136642048 is an frugal number, since it uses more digits than its factorization.

173136642048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 173136642048 in words is "one hundred seventy-three billion, one hundred thirty-six million, six hundred forty-two thousand, forty-eight".