66030566 has 8 divisors (see below), whose sum is σ = 113195280. Its totient is φ = 28298808.

The previous prime is 66030563. The next prime is 66030571. The reversal of 66030566 is 66503066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66030563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2358221 + ... + 2358248.

It is an arithmetic number, because the mean of its divisors is an integer number (14149410).

Almost surely, 2^66030566 is an apocalyptic number.

66030566 is a deficient number, since it is larger than the sum of its proper divisors (47164714).

66030566 is a wasteful number, since it uses less digits than its factorization.

66030566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716478.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 66030566 is about 8125.9193941363. The cubic root of 66030566 is about 404.1863785665.

The spelling of 66030566 in words is "sixty-six million, thirty thousand, five hundred sixty-six".