66484068 has 48 divisors (see below), whose sum is σ = 179303040. Its totient is φ = 18779904.

The previous prime is 66484051. The next prime is 66484069. The reversal of 66484068 is 86048466.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (66484069) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3030 + ... + 11922.

It is an arithmetic number, because the mean of its divisors is an integer number (3735480).

Almost surely, 2^66484068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66484068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89651520).

66484068 is an abundant number, since it is smaller than the sum of its proper divisors (112818972).

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

66484068 is a wasteful number, since it uses less digits than its factorization.

66484068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8996 (or 8994 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 66484068 is about 8153.7763030390. The cubic root of 66484068 is about 405.1095938740.

The spelling of 66484068 in words is "sixty-six million, four hundred eighty-four thousand, sixty-eight".