66066030 has 40 divisors (see below), whose sum is σ = 177646392. Its totient is φ = 17617392.

The previous prime is 66065977. The next prime is 66066043. The reversal of 66066030 is 3066066.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 66065985 and 66066003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39972 + ... + 41591.

Almost surely, 2^66066030 is an apocalyptic number.

66066030 is an abundant number, since it is smaller than the sum of its proper divisors (111580362).

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

66066030 is a wasteful number, since it uses less digits than its factorization.

66066030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81582 (or 81573 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 66066030 is about 8128.1012542906. The cubic root of 66066030 is about 404.2587263753.

The spelling of 66066030 in words is "sixty-six million, sixty-six thousand, thirty", and thus it is an eban number.