173220249850350 has 96 divisors (see below), whose sum is σ = 438590380561920. Its totient is φ = 45227456576640.

The previous prime is 173220249850327. The next prime is 173220249850391. The reversal of 173220249850350 is 53058942022371.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 173220249850293 and 173220249850302.

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, 18498690 + ... + 26241989.

It is an arithmetic number, because the mean of its divisors is an integer number (4568649797520).

Almost surely, 2^{173220249850350} is an apocalyptic number.

173220249850350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173220249850350 is an abundant number, since it is smaller than the sum of its proper divisors (265370130711570).

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

173220249850350 is a wasteful number, since it uses less digits than its factorization.

173220249850350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44741234 (or 44741229 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 173220249850350 in words is "one hundred seventy-three trillion, two hundred twenty billion, two hundred forty-nine million, eight hundred fifty thousand, three hundred fifty".