166044033 has 8 divisors (see below), whose sum is σ = 245991200. Its totient is φ = 110696004.

The previous prime is 166044031. The next prime is 166044041. The reversal of 166044033 is 330440661.

166044033 is a `hidden beast` number, since 16 + 604 + 40 + 3 + 3 = 666.

It is not a de Polignac number, because 166044033 - 2¹ = 166044031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 6149779 = 166044033 / (1 + 6 + 6 + 0 + 4 + 4 + 0 + 3 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166043988 and 166044006.

It is not an unprimeable number, because it can be changed into a prime (166044031) 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, 3074863 + ... + 3074916.

It is an arithmetic number, because the mean of its divisors is an integer number (30748900).

Almost surely, 2^166044033 is an apocalyptic number.

It is an amenable number.

166044033 is a deficient number, since it is larger than the sum of its proper divisors (79947167).

166044033 is an equidigital number, since it uses as much as digits as its factorization.

166044033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149788 (or 6149782 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 166044033 is about 12885.8074252256. The cubic root of 166044033 is about 549.6350559722.

Adding to 166044033 its reverse (330440661), we get a palindrome (496484694).

The spelling of 166044033 in words is "one hundred sixty-six million, forty-four thousand, thirty-three".