66468012 has 24 divisors (see below), whose sum is σ = 167022576. Its totient is φ = 20451648.

The previous prime is 66468001. The next prime is 66468019. The reversal of 66468012 is 21086466.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66468019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212883 + ... + 213194.

It is an arithmetic number, because the mean of its divisors is an integer number (6959274).

Almost surely, 2^66468012 is an apocalyptic number.

It is an amenable number.

66468012 is an abundant number, since it is smaller than the sum of its proper divisors (100554564).

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

66468012 is a wasteful number, since it uses less digits than its factorization.

66468012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426097 (or 426095 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 66468012 is about 8152.7916691156. The cubic root of 66468012 is about 405.0769797279.

The spelling of 66468012 in words is "sixty-six million, four hundred sixty-eight thousand, twelve".