168500370047 has 4 divisors (see below), whose sum is σ = 168508231320. Its totient is φ = 168492508776.

The previous prime is 168500370037. The next prime is 168500370061. The reversal of 168500370047 is 740073005861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740073005861 = 7 ⋅105724715123.

It is a cyclic number.

It is not a de Polignac number, because 168500370047 - 2³⁰ = 167426628223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168500369986 and 168500370013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168500370037) 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, 3898397 + ... + 3941382.

It is an arithmetic number, because the mean of its divisors is an integer number (42127057830).

Almost surely, 2^168500370047 is an apocalyptic number.

168500370047 is a deficient number, since it is larger than the sum of its proper divisors (7861273).

168500370047 is an equidigital number, since it uses as much as digits as its factorization.

168500370047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861272.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 168500370047 in words is "one hundred sixty-eight billion, five hundred million, three hundred seventy thousand, forty-seven".