66227567816265 has 8 divisors (see below), whose sum is σ = 105964108506048. Its totient is φ = 35321369502000.

The previous prime is 66227567816231. The next prime is 66227567816281. The reversal of 66227567816265 is 56261876572266.

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

It is not a de Polignac number, because 66227567816265 - 2⁸ = 66227567816009 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66227567816265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207585593861 + ... + 2207585593890.

It is an arithmetic number, because the mean of its divisors is an integer number (13245513563256).

Almost surely, 2^{66227567816265} is an apocalyptic number.

It is an amenable number.

66227567816265 is a deficient number, since it is larger than the sum of its proper divisors (39736540689783).

66227567816265 is a wasteful number, since it uses less digits than its factorization.

66227567816265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415171187759.

The product of its digits is 609638400, while the sum is 69.

The spelling of 66227567816265 in words is "sixty-six trillion, two hundred twenty-seven billion, five hundred sixty-seven million, eight hundred sixteen thousand, two hundred sixty-five".