168350166667 has 4 divisors (see below), whose sum is σ = 171526584960. Its totient is φ = 165173748376.

The previous prime is 168350166661. The next prime is 168350166679. The reversal of 168350166667 is 766661053861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766661053861 = 83 ⋅9236880167.

It is a cyclic number.

It is not a de Polignac number, because 168350166667 - 2³ = 168350166659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168350166661) 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, 1588209067 + ... + 1588209172.

It is an arithmetic number, because the mean of its divisors is an integer number (42881646240).

Almost surely, 2^168350166667 is an apocalyptic number.

168350166667 is a deficient number, since it is larger than the sum of its proper divisors (3176418293).

168350166667 is an equidigital number, since it uses as much as digits as its factorization.

168350166667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176418292.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 168350166667 in words is "one hundred sixty-eight billion, three hundred fifty million, one hundred sixty-six thousand, six hundred sixty-seven".