66614202 has 12 divisors (see below), whose sum is σ = 144330810. Its totient is φ = 22204728.

The previous prime is 66614201. The next prime is 66614227. The reversal of 66614202 is 20241666.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66243321 + 370881 = 8139^2 + 609^2 .

It is not an unprimeable number, because it can be changed into a prime (66614201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1850377 + ... + 1850412.

Almost surely, 2^66614202 is an apocalyptic number.

66614202 is an abundant number, since it is smaller than the sum of its proper divisors (77716608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66614202 is a wasteful number, since it uses less digits than its factorization.

66614202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700797 (or 3700794 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 66614202 is about 8161.7523853643. The cubic root of 66614202 is about 405.3737382234.

Adding to 66614202 its reverse (20241666), we get a palindrome (86855868).

The spelling of 66614202 in words is "sixty-six million, six hundred fourteen thousand, two hundred two".