66066042060 has 72 divisors (see below), whose sum is σ = 200799012960. Its totient is φ = 17582562048.

The previous prime is 66066042041. The next prime is 66066042061. The reversal of 66066042060 is 6024066066.

66066042060 is a `hidden beast` number, since 6 + 606 + 6 + 0 + 42 + 0 + 6 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (66066042061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274305 + ... + 455384.

It is an arithmetic number, because the mean of its divisors is an integer number (2788875180).

Almost surely, 2^66066042060 is an apocalyptic number.

66066042060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66066042060 is an abundant number, since it is smaller than the sum of its proper divisors (134732970900).

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

66066042060 is a wasteful number, since it uses less digits than its factorization.

66066042060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730207 (or 730202 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 66066042060 in words is "sixty-six billion, sixty-six million, forty-two thousand, sixty", and thus it is an eban number.