173157428573 has 8 divisors (see below), whose sum is σ = 180690300288. Its totient is φ = 165624914224.

The previous prime is 173157428533. The next prime is 173157428599. The reversal of 173157428573 is 375824751371.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 173157428573 - 2¹² = 173157424477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173157428533) 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, 1510715 + ... + 1621287.

It is an arithmetic number, because the mean of its divisors is an integer number (22586287536).

Almost surely, 2^173157428573 is an apocalyptic number.

It is an amenable number.

173157428573 is a deficient number, since it is larger than the sum of its proper divisors (7532871715).

173157428573 is a wasteful number, since it uses less digits than its factorization.

173157428573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178683.

The product of its digits is 4939200, while the sum is 53.

The spelling of 173157428573 in words is "one hundred seventy-three billion, one hundred fifty-seven million, four hundred twenty-eight thousand, five hundred seventy-three".