1165555652 has 12 divisors (see below), whose sum is σ = 2047660860. Its totient is φ = 580509696.

The previous prime is 1165555631. The next prime is 1165555663. The reversal of 1165555652 is 2565555611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 920758336 + 244797316 = 30344^2 + 15646^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 565877 + ... + 567932.

It is an arithmetic number, because the mean of its divisors is an integer number (170638405).

Almost surely, 2^1165555652 is an apocalyptic number.

It is an amenable number.

1165555652 is a deficient number, since it is larger than the sum of its proper divisors (882105208).

1165555652 is a wasteful number, since it uses less digits than its factorization.

1165555652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134070 (or 1134068 counting only the distinct ones).

The product of its digits is 225000, while the sum is 41.

The square root of 1165555652 is about 34140.2350899932. The cubic root of 1165555652 is about 1052.3923235647.

Subtracting from 1165555652 its sum of digits (41), we obtain a palindrome (1165555611).

The spelling of 1165555652 in words is "one billion, one hundred sixty-five million, five hundred fifty-five thousand, six hundred fifty-two".