66142857130 has 32 divisors (see below), whose sum is σ = 137594142720. Its totient is φ = 22422744960.

The previous prime is 66142857107. The next prime is 66142857139. The reversal of 66142857130 is 3175824166.

It is not an unprimeable number, because it can be changed into a prime (66142857139) 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 15 ways as a sum of consecutive naturals, for example, 5302186 + ... + 5314645.

It is an arithmetic number, because the mean of its divisors is an integer number (4299816960).

Almost surely, 2^66142857130 is an apocalyptic number.

66142857130 is an abundant number, since it is smaller than the sum of its proper divisors (71451285590).

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

66142857130 is a wasteful number, since it uses less digits than its factorization.

66142857130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616934.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 66142857130 in words is "sixty-six billion, one hundred forty-two million, eight hundred fifty-seven thousand, one hundred thirty".