66214306 has 8 divisors (see below), whose sum is σ = 99522000. Its totient is φ = 33040308.

The previous prime is 66214301. The next prime is 66214307. The reversal of 66214306 is 60341266.

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

It is not an unprimeable number, because it can be changed into a prime (66214301) 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, 32176 + ... + 34171.

It is an arithmetic number, because the mean of its divisors is an integer number (12440250).

Almost surely, 2^66214306 is an apocalyptic number.

66214306 is a deficient number, since it is larger than the sum of its proper divisors (33307694).

66214306 is a wasteful number, since it uses less digits than its factorization.

66214306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66848.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66214306 is about 8137.2173376407. The cubic root of 66214306 is about 404.5609345299.

The spelling of 66214306 in words is "sixty-six million, two hundred fourteen thousand, three hundred six".