1165005006 has 32 divisors (see below), whose sum is σ = 2544912000. Its totient is φ = 352603680.

The previous prime is 1165004983. The next prime is 1165005013. The reversal of 1165005006 is 6005005611.

It is a Curzon number.

It is a congruent number.

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, 46420 + ... + 66968.

It is an arithmetic number, because the mean of its divisors is an integer number (79528500).

Almost surely, 2^1165005006 is an apocalyptic number.

1165005006 is an abundant number, since it is smaller than the sum of its proper divisors (1379906994).

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

1165005006 is a wasteful number, since it uses less digits than its factorization.

1165005006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21424.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1165005006 is about 34132.1696644090. The cubic root of 1165005006 is about 1052.2265694588.

The spelling of 1165005006 in words is "one billion, one hundred sixty-five million, five thousand, six".