167873145873 has 4 divisors (see below), whose sum is σ = 223830861168. Its totient is φ = 111915430580.

The previous prime is 167873145871. The next prime is 167873145877. The reversal of 167873145873 is 378541378761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 167873145873 - 2¹ = 167873145871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (167873145871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27978857643 + ... + 27978857648.

It is an arithmetic number, because the mean of its divisors is an integer number (55957715292).

Almost surely, 2^167873145873 is an apocalyptic number.

It is an amenable number.

167873145873 is a deficient number, since it is larger than the sum of its proper divisors (55957715295).

167873145873 is an equidigital number, since it uses as much as digits as its factorization.

167873145873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55957715294.

The product of its digits is 23708160, while the sum is 60.

The spelling of 167873145873 in words is "one hundred sixty-seven billion, eight hundred seventy-three million, one hundred forty-five thousand, eight hundred seventy-three".