66493335 has 8 divisors (see below), whose sum is σ = 106389360. Its totient is φ = 35463104.

The previous prime is 66493321. The next prime is 66493337. The reversal of 66493335 is 53339466.

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 66493335 - 2⁴ = 66493319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66493293 and 66493302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66493337) 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, 2216430 + ... + 2216459.

It is an arithmetic number, because the mean of its divisors is an integer number (13298670).

Almost surely, 2^66493335 is an apocalyptic number.

66493335 is a deficient number, since it is larger than the sum of its proper divisors (39896025).

66493335 is a wasteful number, since it uses less digits than its factorization.

66493335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432897.

The product of its digits is 174960, while the sum is 39.

The square root of 66493335 is about 8154.3445475403. The cubic root of 66493335 is about 405.1284153065.

The spelling of 66493335 in words is "sixty-six million, four hundred ninety-three thousand, three hundred thirty-five".