66206714 has 16 divisors (see below), whose sum is σ = 113618688. Its totient is φ = 28343952.

The previous prime is 66206689. The next prime is 66206729. The reversal of 66206714 is 41760266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15407 + ... + 19229.

It is an arithmetic number, because the mean of its divisors is an integer number (7101168).

Almost surely, 2^66206714 is an apocalyptic number.

66206714 is a deficient number, since it is larger than the sum of its proper divisors (47411974).

66206714 is a wasteful number, since it uses less digits than its factorization.

66206714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 66206714 is about 8136.7508257289. The cubic root of 66206714 is about 404.5454718895.

The spelling of 66206714 in words is "sixty-six million, two hundred six thousand, seven hundred fourteen".