66507127255113 has 8 divisors (see below), whose sum is σ = 88677238869408. Its totient is φ = 44337550238784.

The previous prime is 66507127255061. The next prime is 66507127255141. The reversal of 66507127255113 is 31155272170566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66507127255113 - 2¹⁰ = 66507127254089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66507127255183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133359120 + ... + 133856897.

It is an arithmetic number, because the mean of its divisors is an integer number (11084654858676).

Almost surely, 2^{66507127255113} is an apocalyptic number.

It is an amenable number.

66507127255113 is a deficient number, since it is larger than the sum of its proper divisors (22170111614295).

66507127255113 is a wasteful number, since it uses less digits than its factorization.

66507127255113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267298983.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 66507127255113 in words is "sixty-six trillion, five hundred seven billion, one hundred twenty-seven million, two hundred fifty-five thousand, one hundred thirteen".