1066015565 has 16 divisors (see below), whose sum is σ = 1301583360. Its totient is φ = 837933120.

The previous prime is 1066015529. The next prime is 1066015571. The reversal of 1066015565 is 5655106601.

It is not a de Polignac number, because 1066015565 - 2²² = 1061821261 is a prime.

It is a super-2 number, since 2×1066015565² = 2272778369644538450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 535502 + ... + 537488.

It is an arithmetic number, because the mean of its divisors is an integer number (81348960).

Almost surely, 2^1066015565 is an apocalyptic number.

It is an amenable number.

1066015565 is a deficient number, since it is larger than the sum of its proper divisors (235567795).

1066015565 is a wasteful number, since it uses less digits than its factorization.

1066015565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1066015565 is about 32649.8937976833. The cubic root of 1066015565 is about 1021.5379736484.

The spelling of 1066015565 in words is "one billion, sixty-six million, fifteen thousand, five hundred sixty-five".