66614303754220 has 48 divisors (see below), whose sum is σ = 143015921939520. Its totient is φ = 26053746757376.

The previous prime is 66614303754217. The next prime is 66614303754221. The reversal of 66614303754220 is 2245730341666.

It is not an unprimeable number, because it can be changed into a prime (66614303754221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106931200 + ... + 107552359.

It is an arithmetic number, because the mean of its divisors is an integer number (2979498373740).

Almost surely, 2^{66614303754220} is an apocalyptic number.

It is an amenable number.

66614303754220 is an abundant number, since it is smaller than the sum of its proper divisors (76401618185300).

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

66614303754220 is a wasteful number, since it uses less digits than its factorization.

66614303754220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214483914 (or 214483912 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 66614303754220 in words is "sixty-six trillion, six hundred fourteen billion, three hundred three million, seven hundred fifty-four thousand, two hundred twenty".