166665833337 has 8 divisors (see below), whose sum is σ = 223150907520. Its totient is φ = 110645657360.

The previous prime is 166665833309. The next prime is 166665833381. The reversal of 166665833337 is 733338566661.

It is a happy number.

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 166665833337 - 2⁷ = 166665833209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166665832337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116223714 + ... + 116225147.

It is an arithmetic number, because the mean of its divisors is an integer number (27893863440).

Almost surely, 2^166665833337 is an apocalyptic number.

It is an amenable number.

166665833337 is a deficient number, since it is larger than the sum of its proper divisors (56485074183).

166665833337 is a wasteful number, since it uses less digits than its factorization.

166665833337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232449103.

The product of its digits is 29393280, while the sum is 57.

The spelling of 166665833337 in words is "one hundred sixty-six billion, six hundred sixty-five million, eight hundred thirty-three thousand, three hundred thirty-seven".