66231033 has 8 divisors (see below), whose sum is σ = 96336096. Its totient is φ = 40140000.

The previous prime is 66231029. The next prime is 66231043. The reversal of 66231033 is 33013266.

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

It is not a de Polignac number, because 66231033 - 2² = 66231029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66230994 and 66231012.

It is not an unprimeable number, because it can be changed into a prime (66231023) 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 7 ways as a sum of consecutive naturals, for example, 1003468 + ... + 1003533.

It is an arithmetic number, because the mean of its divisors is an integer number (12042012).

Almost surely, 2^66231033 is an apocalyptic number.

It is an amenable number.

66231033 is a deficient number, since it is larger than the sum of its proper divisors (30105063).

66231033 is a wasteful number, since it uses less digits than its factorization.

66231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007015.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 66231033 is about 8138.2450810970. The cubic root of 66231033 is about 404.5949982713.

Adding to 66231033 its reverse (33013266), we get a palindrome (99244299).

The spelling of 66231033 in words is "sixty-six million, two hundred thirty-one thousand, thirty-three".