166633241 has 4 divisors (see below), whose sum is σ = 167423184. Its totient is φ = 165843300.

The previous prime is 166633171. The next prime is 166633253. The reversal of 166633241 is 142336661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142336661 = 11821 ⋅12041.

It is a cyclic number.

It is not a de Polignac number, because 166633241 - 2²² = 162438937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166633198 and 166633207.

It is not an unprimeable number, because it can be changed into a prime (166633261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394655 + ... + 395076.

It is an arithmetic number, because the mean of its divisors is an integer number (41855796).

Almost surely, 2^166633241 is an apocalyptic number.

It is an amenable number.

166633241 is a deficient number, since it is larger than the sum of its proper divisors (789943).

166633241 is an equidigital number, since it uses as much as digits as its factorization.

166633241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789942.

The product of its digits is 15552, while the sum is 32.

The square root of 166633241 is about 12908.6498519404. The cubic root of 166633241 is about 550.2844159829.

The spelling of 166633241 in words is "one hundred sixty-six million, six hundred thirty-three thousand, two hundred forty-one".