66110102 has 4 divisors (see below), whose sum is σ = 99165156. Its totient is φ = 33055050.

The previous prime is 66110089. The next prime is 66110113. The reversal of 66110102 is 20101166.

It is a happy number.

66110102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20101166 = 2 ⋅10050583.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16527524 + ... + 16527527.

It is an arithmetic number, because the mean of its divisors is an integer number (24791289).

Almost surely, 2^66110102 is an apocalyptic number.

66110102 is a deficient number, since it is larger than the sum of its proper divisors (33055054).

66110102 is a wasteful number, since it uses less digits than its factorization.

66110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33055053.

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

The square root of 66110102 is about 8130.8118905802. The cubic root of 66110102 is about 404.3485987364.

Adding to 66110102 its reverse (20101166), we get a palindrome (86211268).

The spelling of 66110102 in words is "sixty-six million, one hundred ten thousand, one hundred two".