66006415143177 has 16 divisors (see below), whose sum is σ = 90935655198720. Its totient is φ = 42543479552400.

The previous prime is 66006415143173. The next prime is 66006415143223. The reversal of 66006415143177 is 77134151460066.

It is not a de Polignac number, because 66006415143177 - 2² = 66006415143173 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66006415143173) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 344107027 + ... + 344298792.

It is an arithmetic number, because the mean of its divisors is an integer number (5683478449920).

Almost surely, 2^{66006415143177} is an apocalyptic number.

It is an amenable number.

66006415143177 is a deficient number, since it is larger than the sum of its proper divisors (24929240055543).

66006415143177 is a wasteful number, since it uses less digits than its factorization.

66006415143177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688406884.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 66006415143177 in words is "sixty-six trillion, six billion, four hundred fifteen million, one hundred forty-three thousand, one hundred seventy-seven".