66600841373246 has 8 divisors (see below), whose sum is σ = 102224547224184. Its totient is φ = 32525992298520.

The previous prime is 66600841373237. The next prime is 66600841373249. The reversal of 66600841373246 is 64237314800666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×66600841373246² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66600841373191 and 66600841373200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66600841373249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387214193945 + ... + 387214194116.

It is an arithmetic number, because the mean of its divisors is an integer number (12778068403023).

Almost surely, 2^{66600841373246} is an apocalyptic number.

66600841373246 is a deficient number, since it is larger than the sum of its proper divisors (35623705850938).

66600841373246 is a wasteful number, since it uses less digits than its factorization.

66600841373246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774428388106.

The product of its (nonzero) digits is 20901888, while the sum is 56.

The spelling of 66600841373246 in words is "sixty-six trillion, six hundred billion, eight hundred forty-one million, three hundred seventy-three thousand, two hundred forty-six".