66006127 has 4 divisors (see below), whose sum is σ = 72006696. Its totient is φ = 60005560.

The previous prime is 66006107. The next prime is 66006137. The reversal of 66006127 is 72160066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66006127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66006095 and 66006104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66006107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000268 + ... + 3000289.

It is an arithmetic number, because the mean of its divisors is an integer number (18001674).

Almost surely, 2^66006127 is an apocalyptic number.

66006127 is a deficient number, since it is larger than the sum of its proper divisors (6000569).

66006127 is a wasteful number, since it uses less digits than its factorization.

66006127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000568.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66006127 is about 8124.4154866673. The cubic root of 66006127 is about 404.1365070680.

The spelling of 66006127 in words is "sixty-six million, six thousand, one hundred twenty-seven".