1064811705806 has 32 divisors (see below), whose sum is σ = 1701513216000. Its totient is φ = 498647264544.

The previous prime is 1064811705767. The next prime is 1064811705863. The reversal of 1064811705806 is 6085071184601.

It is a happy number.

It is a super-2 number, since 2×1064811705806² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778931 + ... + 1654193.

It is an arithmetic number, because the mean of its divisors is an integer number (53172288000).

Almost surely, 2^{1064811705806} is an apocalyptic number.

1064811705806 is a deficient number, since it is larger than the sum of its proper divisors (636701510194).

1064811705806 is a wasteful number, since it uses less digits than its factorization.

1064811705806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875840.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 1064811705806 in words is "one trillion, sixty-four billion, eight hundred eleven million, seven hundred five thousand, eight hundred six".