66066000057 has 32 divisors (see below), whose sum is σ = 101542780800. Its totient is φ = 42402515904.

The previous prime is 66066000047. The next prime is 66066000079. The reversal of 66066000057 is 75000066066.

It is not a de Polignac number, because 66066000057 - 2¹⁰ = 66065999033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66065999985 and 66066000030.

It is not an unprimeable number, because it can be changed into a prime (66066000037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150123 + ... + 393279.

It is an arithmetic number, because the mean of its divisors is an integer number (3173211900).

Almost surely, 2^66066000057 is an apocalyptic number.

It is an amenable number.

66066000057 is a deficient number, since it is larger than the sum of its proper divisors (35476780743).

66066000057 is a wasteful number, since it uses less digits than its factorization.

66066000057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243542 (or 243536 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 66066000057 in words is "sixty-six billion, sixty-six million, fifty-seven", and thus it is an aban number and an uban number.