166633033 has 8 divisors (see below), whose sum is σ = 190756352. Its totient is φ = 142589376.

The previous prime is 166632989. The next prime is 166633079. The reversal of 166633033 is 330336661.

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 166633033 - 2²¹ = 164535881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166632986 and 166633004.

It is not an unprimeable number, because it can be changed into a prime (166663033) 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, 15360 + ... + 23857.

It is an arithmetic number, because the mean of its divisors is an integer number (23844544).

Almost surely, 2^166633033 is an apocalyptic number.

It is an amenable number.

166633033 is a deficient number, since it is larger than the sum of its proper divisors (24123319).

166633033 is an equidigital number, since it uses as much as digits as its factorization.

166633033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39831.

The product of its (nonzero) digits is 17496, while the sum is 31.

The square root of 166633033 is about 12908.6417953246. The cubic root of 166633033 is about 550.2841870185.

Adding to 166633033 its reverse (330336661), we get a palindrome (496969694).

The spelling of 166633033 in words is "one hundred sixty-six million, six hundred thirty-three thousand, thirty-three".