1165015116 has 48 divisors (see below), whose sum is σ = 3038985600. Its totient is φ = 385950096.

The previous prime is 1165015099. The next prime is 1165015139. The reversal of 1165015116 is 6115105611.

1165015116 is a `hidden beast` number, since 1 + 1 + 650 + 1 + 5 + 1 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1165015116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15486 + ... + 50693.

It is an arithmetic number, because the mean of its divisors is an integer number (63312200).

Almost surely, 2^1165015116 is an apocalyptic number.

It is an amenable number.

1165015116 is an abundant number, since it is smaller than the sum of its proper divisors (1873970484).

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

1165015116 is a wasteful number, since it uses less digits than its factorization.

1165015116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66355 (or 66347 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 1165015116 is about 34132.3177648398. The cubic root of 1165015116 is about 1052.2296132168.

The spelling of 1165015116 in words is "one billion, one hundred sixty-five million, fifteen thousand, one hundred sixteen".