66488133 has 8 divisors (see below), whose sum is σ = 89328096. Its totient is φ = 43986800.

The previous prime is 66488113. The next prime is 66488137. The reversal of 66488133 is 33188466.

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 66488133 - 2⁶ = 66488069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66488091 and 66488100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66488137) 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, 84198 + ... + 84983.

It is an arithmetic number, because the mean of its divisors is an integer number (11166012).

Almost surely, 2^66488133 is an apocalyptic number.

It is an amenable number.

66488133 is a deficient number, since it is larger than the sum of its proper divisors (22839963).

66488133 is a wasteful number, since it uses less digits than its factorization.

66488133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169315.

The product of its digits is 82944, while the sum is 39.

The square root of 66488133 is about 8154.0255702322. The cubic root of 66488133 is about 405.1178501725.

The spelling of 66488133 in words is "sixty-six million, four hundred eighty-eight thousand, one hundred thirty-three".