66122110 has 16 divisors (see below), whose sum is σ = 119448432. Its totient is φ = 26353600.

The previous prime is 66122107. The next prime is 66122113. The reversal of 66122110 is 1122166.

It is an interprime number because it is at equal distance from previous prime (66122107) and next prime (66122113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66122113) 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 7 ways as a sum of consecutive naturals, for example, 8956 + ... + 14575.

It is an arithmetic number, because the mean of its divisors is an integer number (7465527).

Almost surely, 2^66122110 is an apocalyptic number.

66122110 is a deficient number, since it is larger than the sum of its proper divisors (53326322).

66122110 is a wasteful number, since it uses less digits than its factorization.

66122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23819.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 66122110 is about 8131.5502826952. The cubic root of 66122110 is about 404.3730787270.

Adding to 66122110 its reverse (1122166), we get a palindrome (67244276).

The spelling of 66122110 in words is "sixty-six million, one hundred twenty-two thousand, one hundred ten".