1165538706 has 16 divisors (see below), whose sum is σ = 2337168384. Its totient is φ = 387497744.

The previous prime is 1165538669. The next prime is 1165538707. The reversal of 1165538706 is 6078355611.

It is not an unprimeable number, because it can be changed into a prime (1165538707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251301 + ... + 255896.

It is an arithmetic number, because the mean of its divisors is an integer number (146073024).

Almost surely, 2^1165538706 is an apocalyptic number.

1165538706 is an abundant number, since it is smaller than the sum of its proper divisors (1171629678).

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

1165538706 is a wasteful number, since it uses less digits than its factorization.

1165538706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507585.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1165538706 is about 34139.9869068516. The cubic root of 1165538706 is about 1052.3872233001.

The spelling of 1165538706 in words is "one billion, one hundred sixty-five million, five hundred thirty-eight thousand, seven hundred six".