1066696028529 has 16 divisors (see below), whose sum is σ = 1435696896000. Its totient is φ = 704430397440.

The previous prime is 1066696028509. The next prime is 1066696028543. The reversal of 1066696028529 is 9258206966601.

It is a happy number.

It is not a de Polignac number, because 1066696028529 - 2²⁰ = 1066694979953 is a prime.

It is a super-2 number, since 2×1066696028529² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066696028509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939654 + ... + 2428095.

It is an arithmetic number, because the mean of its divisors is an integer number (89731056000).

Almost surely, 2^{1066696028529} is an apocalyptic number.

It is an amenable number.

1066696028529 is a deficient number, since it is larger than the sum of its proper divisors (369000867471).

1066696028529 is a wasteful number, since it uses less digits than its factorization.

1066696028529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368520.

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 1066696028529 in words is "one trillion, sixty-six billion, six hundred ninety-six million, twenty-eight thousand, five hundred twenty-nine".