1064120205566 has 16 divisors (see below), whose sum is σ = 1741332379248. Its totient is φ = 483678566400.

The previous prime is 1064120205523. The next prime is 1064120205583. The reversal of 1064120205566 is 6655020214601.

It is a super-2 number, since 2×1064120205566² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 282536 + ... + 1485956.

It is an arithmetic number, because the mean of its divisors is an integer number (108833273703).

Almost surely, 2^{1064120205566} is an apocalyptic number.

1064120205566 is a deficient number, since it is larger than the sum of its proper divisors (677212173682).

1064120205566 is a wasteful number, since it uses less digits than its factorization.

1064120205566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243627.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 1064120205566 in words is "one trillion, sixty-four billion, one hundred twenty million, two hundred five thousand, five hundred sixty-six".