168670366867 has 4 divisors (see below), whose sum is σ = 172784278296. Its totient is φ = 164556455440.

The previous prime is 168670366861. The next prime is 168670366871. The reversal of 168670366867 is 768663076861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768663076861 = 37 ⋅20774677753.

It is a cyclic number.

It is not a de Polignac number, because 168670366867 - 2³ = 168670366859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168670366799 and 168670366808.

It is not an unprimeable number, because it can be changed into a prime (168670366861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056955653 + ... + 2056955734.

It is an arithmetic number, because the mean of its divisors is an integer number (43196069574).

Almost surely, 2^168670366867 is an apocalyptic number.

168670366867 is a deficient number, since it is larger than the sum of its proper divisors (4113911429).

168670366867 is an equidigital number, since it uses as much as digits as its factorization.

168670366867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113911428.

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 168670366867 in words is "one hundred sixty-eight billion, six hundred seventy million, three hundred sixty-six thousand, eight hundred sixty-seven".