66874350542210 has 32 divisors (see below), whose sum is σ = 123206506391232. Its totient is φ = 26120592993600.

The previous prime is 66874350542189. The next prime is 66874350542231. The reversal of 66874350542210 is 1224505347866.

66874350542210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66874350542189) and next prime (66874350542231).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19419344 + ... + 22602203.

It is an arithmetic number, because the mean of its divisors is an integer number (3850203324726).

Almost surely, 2^{66874350542210} is an apocalyptic number.

66874350542210 is a deficient number, since it is larger than the sum of its proper divisors (56332155849022).

66874350542210 is a wasteful number, since it uses less digits than its factorization.

66874350542210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42025298.

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 66874350542210 in words is "sixty-six trillion, eight hundred seventy-four billion, three hundred fifty million, five hundred forty-two thousand, two hundred ten".