166672005339 has 8 divisors (see below), whose sum is σ = 253976389120. Its totient is φ = 95241145896.

The previous prime is 166672005307. The next prime is 166672005347. The reversal of 166672005339 is 933500276661.

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

It is not a de Polignac number, because 166672005339 - 2⁵ = 166672005307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166672005389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3968381059 + ... + 3968381100.

It is an arithmetic number, because the mean of its divisors is an integer number (31747048640).

Almost surely, 2^166672005339 is an apocalyptic number.

166672005339 is a deficient number, since it is larger than the sum of its proper divisors (87304383781).

166672005339 is an equidigital number, since it uses as much as digits as its factorization.

166672005339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936762169.

The product of its (nonzero) digits is 1224720, while the sum is 48.

The spelling of 166672005339 in words is "one hundred sixty-six billion, six hundred seventy-two million, five thousand, three hundred thirty-nine".