173292085681 has 16 divisors (see below), whose sum is σ = 204461712000. Its totient is φ = 144795784320.

The previous prime is 173292085667. The next prime is 173292085697. The reversal of 173292085681 is 186580292371.

It is a happy number.

It is not a de Polignac number, because 173292085681 - 2³¹ = 171144602033 is a prime.

It is a super-2 number, since 2×173292085681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (173292085181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2567181 + ... + 2633818.

It is an arithmetic number, because the mean of its divisors is an integer number (12778857000).

Almost surely, 2^173292085681 is an apocalyptic number.

173292085681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

173292085681 is a deficient number, since it is larger than the sum of its proper divisors (31169626319).

173292085681 is a wasteful number, since it uses less digits than its factorization.

173292085681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201256.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 173292085681 in words is "one hundred seventy-three billion, two hundred ninety-two million, eighty-five thousand, six hundred eighty-one".