166604115614545 has 8 divisors (see below), whose sum is σ = 228485644271424. Its totient is φ = 114242822135664.

The previous prime is 166604115614527. The next prime is 166604115614551. The reversal of 166604115614545 is 545416511406661.

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 166604115614545 - 2⁹ = 166604115614033 is a prime.

It is a Duffinian 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, 2380058794459 + ... + 2380058794528.

It is an arithmetic number, because the mean of its divisors is an integer number (28560705533928).

Almost surely, 2^{166604115614545} is an apocalyptic number.

It is an amenable number.

166604115614545 is a deficient number, since it is larger than the sum of its proper divisors (61881528656879).

166604115614545 is an equidigital number, since it uses as much as digits as its factorization.

166604115614545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760117588999.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 166604115614545 in words is "one hundred sixty-six trillion, six hundred four billion, one hundred fifteen million, six hundred fourteen thousand, five hundred forty-five".