66626000353642 has 16 divisors (see below), whose sum is σ = 101544980040000. Its totient is φ = 32778794778048.

The previous prime is 66626000353603. The next prime is 66626000353643. The reversal of 66626000353642 is 24635300062666.

66626000353642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66626000353643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280156767 + ... + 280394482.

It is an arithmetic number, because the mean of its divisors is an integer number (6346561252500).

Almost surely, 2^{66626000353642} is an apocalyptic number.

66626000353642 is a deficient number, since it is larger than the sum of its proper divisors (34918979686358).

66626000353642 is a wasteful number, since it uses less digits than its factorization.

66626000353642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560552205.

The product of its (nonzero) digits is 5598720, while the sum is 49.

The spelling of 66626000353642 in words is "sixty-six trillion, six hundred twenty-six billion, three hundred fifty-three thousand, six hundred forty-two".