66066000023 has 16 divisors (see below), whose sum is σ = 67142338560. Its totient is φ = 64997722944.

The previous prime is 66065999957. The next prime is 66066000031. The reversal of 66066000023 is 32000066066.

It is a cyclic number.

It is not a de Polignac number, because 66066000023 - 2¹⁴ = 66065983639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66066000023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66066000223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37052390 + ... + 37054172.

It is an arithmetic number, because the mean of its divisors is an integer number (4196396160).

Almost surely, 2^66066000023 is an apocalyptic number.

66066000023 is a deficient number, since it is larger than the sum of its proper divisors (1076338537).

66066000023 is a wasteful number, since it uses less digits than its factorization.

66066000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 66066000023 its reverse (32000066066), we get a palindrome (98066066089).

The spelling of 66066000023 in words is "sixty-six billion, sixty-six million, twenty-three", and thus it is an aban number and an uban number.