1066995227827 has 8 divisors (see below), whose sum is σ = 1074120364800. Its totient is φ = 1059878852424.

The previous prime is 1066995227813. The next prime is 1066995227833. The reversal of 1066995227827 is 7287225996601.

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

It is a cyclic number.

It is not a de Polignac number, because 1066995227827 - 2²⁷ = 1066861010099 is a prime.

It is a super-2 number, since 2×1066995227827² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066995225827) 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, 1945927 + ... + 2433232.

It is an arithmetic number, because the mean of its divisors is an integer number (134265045600).

Almost surely, 2^{1066995227827} is an apocalyptic number.

1066995227827 is a deficient number, since it is larger than the sum of its proper divisors (7125136973).

1066995227827 is a wasteful number, since it uses less digits than its factorization.

1066995227827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380785.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 1066995227827 in words is "one trillion, sixty-six billion, nine hundred ninety-five million, two hundred twenty-seven thousand, eight hundred twenty-seven".