166417226633 has 8 divisors (see below), whose sum is σ = 190245221952. Its totient is φ = 142602757776.

The previous prime is 166417226629. The next prime is 166417226681. The reversal of 166417226633 is 336622714661.

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 166417226633 - 2² = 166417226629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166417226603) 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, 3355235 + ... + 3404472.

It is an arithmetic number, because the mean of its divisors is an integer number (23780652744).

Almost surely, 2^166417226633 is an apocalyptic number.

It is an amenable number.

166417226633 is a deficient number, since it is larger than the sum of its proper divisors (23827995319).

166417226633 is an equidigital number, since it uses as much as digits as its factorization.

166417226633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6763231.

The product of its digits is 1306368, while the sum is 47.

The spelling of 166417226633 in words is "one hundred sixty-six billion, four hundred seventeen million, two hundred twenty-six thousand, six hundred thirty-three".