166206633 has 8 divisors (see below), whose sum is σ = 221984928. Its totient is φ = 110616384.

The previous prime is 166206629. The next prime is 166206641. The reversal of 166206633 is 336602661.

It is a happy number.

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

It is not a de Polignac number, because 166206633 - 2² = 166206629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166206594 and 166206603.

It is not an unprimeable number, because it can be changed into a prime (166206613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44935 + ... + 48492.

It is an arithmetic number, because the mean of its divisors is an integer number (27748116).

Almost surely, 2^166206633 is an apocalyptic number.

It is an amenable number.

166206633 is a deficient number, since it is larger than the sum of its proper divisors (55778295).

166206633 is an equidigital number, since it uses as much as digits as its factorization.

166206633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94023.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 166206633 is about 12892.1151484153. The cubic root of 166206633 is about 549.8144090069.

The spelling of 166206633 in words is "one hundred sixty-six million, two hundred six thousand, six hundred thirty-three".