1064686085 has 16 divisors (see below), whose sum is σ = 1302220800. Its totient is φ = 835502976.

The previous prime is 1064686037. The next prime is 1064686087. The reversal of 1064686085 is 5806864601.

It is a cyclic number.

It is not a de Polignac number, because 1064686085 - 2⁸ = 1064685829 is a prime.

It is a super-2 number, since 2×1064686085² = 2267112919185254450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064686087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47096 + ... + 65934.

It is an arithmetic number, because the mean of its divisors is an integer number (81388800).

It is a Poulet number, since it divides 2^1064686084-1.

Almost surely, 2^1064686085 is an apocalyptic number.

1064686085 is the 18839-th octagonal number.

It is an amenable number.

1064686085 is a deficient number, since it is larger than the sum of its proper divisors (237534715).

1064686085 is a wasteful number, since it uses less digits than its factorization.

1064686085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19060.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 1064686085 is about 32629.5278084130. The cubic root of 1064686085 is about 1021.1131270416.

The spelling of 1064686085 in words is "one billion, sixty-four million, six hundred eighty-six thousand, eighty-five".