66893173130 has 16 divisors (see below), whose sum is σ = 137608813440. Its totient is φ = 22934802192.

The previous prime is 66893173121. The next prime is 66893173177. The reversal of 66893173130 is 3137139866.

It is a super-2 number, since 2×66893173130² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477808310 + ... + 477808449.

It is an arithmetic number, because the mean of its divisors is an integer number (8600550840).

Almost surely, 2^66893173130 is an apocalyptic number.

66893173130 is an abundant number, since it is smaller than the sum of its proper divisors (70715640310).

66893173130 is a wasteful number, since it uses less digits than its factorization.

66893173130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955616773.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 66893173130 in words is "sixty-six billion, eight hundred ninety-three million, one hundred seventy-three thousand, one hundred thirty".