66710344110 has 32 divisors (see below), whose sum is σ = 160139064960. Its totient is φ = 17785620768.

The previous prime is 66710344091. The next prime is 66710344111. The reversal of 66710344110 is 1144301766.

It is a super-2 number, since 2×66710344110² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66710344111) 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, 93720 + ... + 377099.

It is an arithmetic number, because the mean of its divisors is an integer number (5004345780).

Almost surely, 2^66710344110 is an apocalyptic number.

66710344110 is an abundant number, since it is smaller than the sum of its proper divisors (93428720850).

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

66710344110 is a wasteful number, since it uses less digits than its factorization.

66710344110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475552.

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 66710344110 its reverse (1144301766), we get a palindrome (67854645876).

The spelling of 66710344110 in words is "sixty-six billion, seven hundred ten million, three hundred forty-four thousand, one hundred ten".