166347067466405 has 8 divisors (see below), whose sum is σ = 228133121096832. Its totient is φ = 114066560548368.

The previous prime is 166347067466389. The next prime is 166347067466449. The reversal of 166347067466405 is 504664760743661.

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

It is a cyclic number.

It is not a de Polignac number, because 166347067466405 - 2⁴ = 166347067466389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2376386678057 + ... + 2376386678126.

It is an arithmetic number, because the mean of its divisors is an integer number (28516640137104).

Almost surely, 2^{166347067466405} is an apocalyptic number.

It is an amenable number.

166347067466405 is a deficient number, since it is larger than the sum of its proper divisors (61786053630427).

166347067466405 is an equidigital number, since it uses as much as digits as its factorization.

166347067466405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752773356195.

The product of its (nonzero) digits is 365783040, while the sum is 65.

The spelling of 166347067466405 in words is "one hundred sixty-six trillion, three hundred forty-seven billion, sixty-seven million, four hundred sixty-six thousand, four hundred five".