66066000052 has 24 divisors (see below), whose sum is σ = 128525422592. Its totient is φ = 29508386400.

The previous prime is 66066000047. The next prime is 66066000079. The reversal of 66066000052 is 25000066066.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 66065999978 and 66066000023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20490324 + ... + 20493547.

Almost surely, 2^66066000052 is an apocalyptic number.

66066000052 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66066000052 is a deficient number, since it is larger than the sum of its proper divisors (62459422540).

66066000052 is a wasteful number, since it uses less digits than its factorization.

66066000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40983919 (or 40983917 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 66066000052 in words is "sixty-six billion, sixty-six million, fifty-two", and thus it is an aban number, an eban number, and an uban number.