66012110 has 8 divisors (see below), whose sum is σ = 118821816. Its totient is φ = 26404840.

The previous prime is 66012043. The next prime is 66012119. The reversal of 66012110 is 1121066.

It is a happy number.

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 (66012119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3300596 + ... + 3300615.

It is an arithmetic number, because the mean of its divisors is an integer number (14852727).

Almost surely, 2^66012110 is an apocalyptic number.

66012110 is a deficient number, since it is larger than the sum of its proper divisors (52809706).

66012110 is a wasteful number, since it uses less digits than its factorization.

66012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601218.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 66012110 is about 8124.7836894283. The cubic root of 66012110 is about 404.1487174277.

Adding to 66012110 its reverse (1121066), we get a palindrome (67133176).

The spelling of 66012110 in words is "sixty-six million, twelve thousand, one hundred ten".