173056506747 has 8 divisors (see below), whose sum is σ = 233662794240. Its totient is φ = 113910611880.

The previous prime is 173056506737. The next prime is 173056506773. The reversal of 173056506747 is 747605650371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 173056506747 - 2¹² = 173056502651 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 173056506747.

It is not an unprimeable number, because it can be changed into a prime (173056506737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365097879 + ... + 365098352.

It is an arithmetic number, because the mean of its divisors is an integer number (29207849280).

Almost surely, 2^173056506747 is an apocalyptic number.

173056506747 is a deficient number, since it is larger than the sum of its proper divisors (60606287493).

173056506747 is an equidigital number, since it uses as much as digits as its factorization.

173056506747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730196313.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 173056506747 in words is "one hundred seventy-three billion, fifty-six million, five hundred six thousand, seven hundred forty-seven".