66110227207127 has 4 divisors (see below), whose sum is σ = 66111512224800. Its totient is φ = 66108942189456.

The previous prime is 66110227207103. The next prime is 66110227207279. The reversal of 66110227207127 is 72170272201166.

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

It is a cyclic number.

It is not a de Polignac number, because 66110227207127 - 2¹⁶ = 66110227141591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66110227204127) 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, 642431663 + ... + 642534560.

It is an arithmetic number, because the mean of its divisors is an integer number (16527878056200).

Almost surely, 2^{66110227207127} is an apocalyptic number.

66110227207127 is a deficient number, since it is larger than the sum of its proper divisors (1285017673).

66110227207127 is a wasteful number, since it uses less digits than its factorization.

66110227207127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285017672.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 66110227207127 in words is "sixty-six trillion, one hundred ten billion, two hundred twenty-seven million, two hundred seven thousand, one hundred twenty-seven".