66108102 has 32 divisors (see below), whose sum is σ = 134348544. Its totient is φ = 21684000.

The previous prime is 66108083. The next prime is 66108103. The reversal of 66108102 is 20180166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66108103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118408 + ... + 118964.

It is an arithmetic number, because the mean of its divisors is an integer number (4198392).

Almost surely, 2^66108102 is an apocalyptic number.

66108102 is an abundant number, since it is smaller than the sum of its proper divisors (68240442).

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

66108102 is a wasteful number, since it uses less digits than its factorization.

66108102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 66108102 is about 8130.6889007021. The cubic root of 66108102 is about 404.3445211682.

Adding to 66108102 its reverse (20180166), we get a palindrome (86288268).

The spelling of 66108102 in words is "sixty-six million, one hundred eight thousand, one hundred two".