1065616 has 10 divisors (see below), whose sum is σ = 2064662. Its totient is φ = 532800.

The previous prime is 1065601. The next prime is 1065629. The reversal of 1065616 is 6165601.

It can be written as a sum of positive squares in only one way, i.e., 1008016 + 57600 = 1004^2 + 240^2 .

It is a super-2 number, since 2×1065616² = 2271074918912, 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 (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33285 + ... + 33316.

2^1065616 is an apocalyptic number.

1065616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1065616 is a deficient number, since it is larger than the sum of its proper divisors (999046).

1065616 is an equidigital number, since it uses as much as digits as its factorization.

1065616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66609 (or 66603 counting only the distinct ones).

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

The square root of 1065616 is about 1032.2867818586. The cubic root of 1065616 is about 102.1410326410.

It can be divided in two parts, 1065 and 616, that added together give a square (1681 = 41²).

The spelling of 1065616 in words is "one million, sixty-five thousand, six hundred sixteen".