66969112 has 32 divisors (see below), whose sum is σ = 147388320. Its totient is φ = 27924480.

The previous prime is 66969101. The next prime is 66969121. The reversal of 66969112 is 21196966.

It is a congruent number.

It is an unprimeable number.

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, 14089 + ... + 18232.

It is an arithmetic number, because the mean of its divisors is an integer number (4605885).

Almost surely, 2^66969112 is an apocalyptic number.

It is an amenable number.

66969112 is an abundant number, since it is smaller than the sum of its proper divisors (80419208).

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

66969112 is a wasteful number, since it uses less digits than its factorization.

66969112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32371 (or 32367 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 66969112 is about 8183.4657694647. The cubic root of 66969112 is about 406.0923859743.

It can be divided in two parts, 66969 and 112, that added together give a square (67081 = 259²).

The spelling of 66969112 in words is "sixty-six million, nine hundred sixty-nine thousand, one hundred twelve".