66965112 has 24 divisors (see below), whose sum is σ = 181364040. Its totient is φ = 22321680.

The previous prime is 66965111. The next prime is 66965117. The reversal of 66965112 is 21156966.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66965111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464964 + ... + 465107.

It is an arithmetic number, because the mean of its divisors is an integer number (7556835).

Almost surely, 2^66965112 is an apocalyptic number.

It is an amenable number.

66965112 is an abundant number, since it is smaller than the sum of its proper divisors (114398928).

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

66965112 is a wasteful number, since it uses less digits than its factorization.

66965112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930083 (or 930076 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 66965112 is about 8183.2213705851. The cubic root of 66965112 is about 406.0843006454.

The spelling of 66965112 in words is "sixty-six million, nine hundred sixty-five thousand, one hundred twelve".