66136225026202 has 16 divisors (see below), whose sum is σ = 99670086793440. Its totient is φ = 32912946755568.

The previous prime is 66136225026199. The next prime is 66136225026203. The reversal of 66136225026202 is 20262052263166.

It is not an unprimeable number, because it can be changed into a prime (66136225026203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19421688 + ... + 22571539.

It is an arithmetic number, because the mean of its divisors is an integer number (6229380424590).

Almost surely, 2^{66136225026202} is an apocalyptic number.

66136225026202 is a deficient number, since it is larger than the sum of its proper divisors (33533861767238).

66136225026202 is a wasteful number, since it uses less digits than its factorization.

66136225026202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41996925.

The product of its (nonzero) digits is 622080, while the sum is 43.

Adding to 66136225026202 its reverse (20262052263166), we get a palindrome (86398277289368).

The spelling of 66136225026202 in words is "sixty-six trillion, one hundred thirty-six billion, two hundred twenty-five million, twenty-six thousand, two hundred two".