66041433 has 8 divisors (see below), whose sum is σ = 97839200. Its totient is φ = 44027604.

The previous prime is 66041401. The next prime is 66041453. The reversal of 66041433 is 33414066.

It is not a de Polignac number, because 66041433 - 2⁵ = 66041401 is a prime.

It is a super-2 number, since 2×66041433² = 8722941745386978, which contains 22 as substring.

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: 2445979 = 66041433 / (6 + 6 + 0 + 4 + 1 + 4 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66041397 and 66041406.

It is not an unprimeable number, because it can be changed into a prime (66041453) 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, 1222963 + ... + 1223016.

It is an arithmetic number, because the mean of its divisors is an integer number (12229900).

Almost surely, 2^66041433 is an apocalyptic number.

It is an amenable number.

66041433 is a deficient number, since it is larger than the sum of its proper divisors (31797767).

66041433 is a wasteful number, since it uses less digits than its factorization.

66041433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445988 (or 2445982 counting only the distinct ones).

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

The square root of 66041433 is about 8126.5880294254. The cubic root of 66041433 is about 404.2085503813.

Adding to 66041433 its reverse (33414066), we get a palindrome (99455499).

The spelling of 66041433 in words is "sixty-six million, forty-one thousand, four hundred thirty-three".