66871653130 has 32 divisors (see below), whose sum is σ = 124121507328. Its totient is φ = 25923408000.

The previous prime is 66871653119. The next prime is 66871653137. The reversal of 66871653130 is 3135617866.

It is not an unprimeable number, because it can be changed into a prime (66871653137) 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 15 ways as a sum of consecutive naturals, for example, 478162 + ... + 601981.

It is an arithmetic number, because the mean of its divisors is an integer number (3878797104).

Almost surely, 2^66871653130 is an apocalyptic number.

66871653130 is a deficient number, since it is larger than the sum of its proper divisors (57249854198).

66871653130 is a wasteful number, since it uses less digits than its factorization.

66871653130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080342.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 66871653130 in words is "sixty-six billion, eight hundred seventy-one million, six hundred fifty-three thousand, one hundred thirty".