1066165 has 16 divisors (see below), whose sum is σ = 1363968. Its totient is φ = 798336.

The previous prime is 1066159. The next prime is 1066217. The reversal of 1066165 is 5616601.

1066165 = 83² + 84² + ... + 155².

It is a cyclic number.

It is not a de Polignac number, because 1066165 - 2³ = 1066157 is a prime.

It is a super-2 number, since 2×1066165² = 2273415614450, which contains 22 as substring.

It is a Duffinian number.

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, 8332 + ... + 8458.

It is an arithmetic number, because the mean of its divisors is an integer number (85248).

2^1066165 is an apocalyptic number.

It is an amenable number.

1066165 is a deficient number, since it is larger than the sum of its proper divisors (297803).

1066165 is a wasteful number, since it uses less digits than its factorization.

1066165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1066165 is about 1032.5526620953. The cubic root of 1066165 is about 102.1585704782.

The spelling of 1066165 in words is "one million, sixty-six thousand, one hundred sixty-five".