166416034304665 has 8 divisors (see below), whose sum is σ = 201021752697408. Its totient is φ = 132251153089200.

The previous prime is 166416034304603. The next prime is 166416034304803. The reversal of 166416034304665 is 566403430614661.

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

It is not a de Polignac number, because 166416034304665 - 2¹⁷ = 166416034173593 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, 110209293487 + ... + 110209294996.

It is an arithmetic number, because the mean of its divisors is an integer number (25127719087176).

Almost surely, 2^{166416034304665} is an apocalyptic number.

It is an amenable number.

166416034304665 is a deficient number, since it is larger than the sum of its proper divisors (34605718392743).

166416034304665 is a wasteful number, since it uses less digits than its factorization.

166416034304665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220418588639.

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 166416034304665 in words is "one hundred sixty-six trillion, four hundred sixteen billion, thirty-four million, three hundred four thousand, six hundred sixty-five".