1065565080 has 96 divisors (see below), whose sum is σ = 3519930960. Its totient is φ = 279486720.

The previous prime is 1065565073. The next prime is 1065565093. The reversal of 1065565080 is 805655601.

1065565080 is a `hidden beast` number, since 10 + 6 + 5 + 565 + 0 + 80 = 666.

It is a super-2 number, since 2×1065565080² = 2270857879430812800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 2302 + ... + 46221.

Almost surely, 2^1065565080 is an apocalyptic number.

1065565080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065565080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759965480).

1065565080 is an abundant number, since it is smaller than the sum of its proper divisors (2454365880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065565080 is a wasteful number, since it uses less digits than its factorization.

1065565080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48601 (or 48594 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1065565080 is about 32642.9943479455. The cubic root of 1065565080 is about 1021.3940569342.

The spelling of 1065565080 in words is "one billion, sixty-five million, five hundred sixty-five thousand, eighty".