66131110 has 8 divisors (see below), whose sum is σ = 119036016. Its totient is φ = 26452440.

The previous prime is 66131089. The next prime is 66131111. The reversal of 66131110 is 1113166.

66131110 is nontrivially palindromic in base 9.

66131110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66131111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3306546 + ... + 3306565.

It is an arithmetic number, because the mean of its divisors is an integer number (14879502).

Almost surely, 2^66131110 is an apocalyptic number.

66131110 is a deficient number, since it is larger than the sum of its proper divisors (52904906).

66131110 is a wasteful number, since it uses less digits than its factorization.

66131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613118.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 66131110 is about 8132.1036638744. The cubic root of 66131110 is about 404.3914245451.

Adding to 66131110 its reverse (1113166), we get a palindrome (67244276).

The spelling of 66131110 in words is "sixty-six million, one hundred thirty-one thousand, one hundred ten".