66242223986127 has 16 divisors (see below), whose sum is σ = 105329250562560. Its totient is φ = 36206929880352.

The previous prime is 66242223986083. The next prime is 66242223986131. The reversal of 66242223986127 is 72168932224266.

It is not a de Polignac number, because 66242223986127 - 2¹² = 66242223982031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66242223586127) 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, 68573730352 + ... + 68573731317.

It is an arithmetic number, because the mean of its divisors is an integer number (6583078160160).

Almost surely, 2^{66242223986127} is an apocalyptic number.

66242223986127 is a deficient number, since it is larger than the sum of its proper divisors (39087026576433).

66242223986127 is a wasteful number, since it uses less digits than its factorization.

66242223986127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137147461702.

The product of its digits is 41803776, while the sum is 60.

The spelling of 66242223986127 in words is "sixty-six trillion, two hundred forty-two billion, two hundred twenty-three million, nine hundred eighty-six thousand, one hundred twenty-seven".