66130427810 has 32 divisors (see below), whose sum is σ = 120183478272. Its totient is φ = 26197637760.

The previous prime is 66130427801. The next prime is 66130427851. The reversal of 66130427810 is 1872403166.

It is a super-2 number, since 2×66130427810² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679574 + ... + 770766.

It is an arithmetic number, because the mean of its divisors is an integer number (3755733696).

Almost surely, 2^66130427810 is an apocalyptic number.

66130427810 is a deficient number, since it is larger than the sum of its proper divisors (54053050462).

66130427810 is a wasteful number, since it uses less digits than its factorization.

66130427810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91898.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 66130427810 in words is "sixty-six billion, one hundred thirty million, four hundred twenty-seven thousand, eight hundred ten".