1080456165 has 80 divisors (see below), whose sum is σ = 2140224768. Its totient is φ = 518690304.

The previous prime is 1080456127. The next prime is 1080456191. The reversal of 1080456165 is 5616540801.

1080456165 is a `hidden beast` number, since 10 + 80 + 4 + 561 + 6 + 5 = 666.

It is not a de Polignac number, because 1080456165 - 2¹¹ = 1080454117 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 154944 + ... + 161766.

Almost surely, 2^1080456165 is an apocalyptic number.

1080456165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1080456165 is a deficient number, since it is larger than the sum of its proper divisors (1059768603).

1080456165 is a wasteful number, since it uses less digits than its factorization.

1080456165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880 (or 6871 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1080456165 is about 32870.2930470661. The cubic root of 1080456165 is about 1026.1299978915.

Adding to 1080456165 its reverse (5616540801), we get a palindrome (6696996966).

The spelling of 1080456165 in words is "one billion, eighty million, four hundred fifty-six thousand, one hundred sixty-five".