1159763165 has 16 divisors (see below), whose sum is σ = 1567213056. Its totient is φ = 816254400.

The previous prime is 1159763131. The next prime is 1159763197. The reversal of 1159763165 is 5613679511.

It is not a de Polignac number, because 1159763165 - 2⁸ = 1159762909 is a prime.

It is a Duffinian 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, 338402 + ... + 341811.

It is an arithmetic number, because the mean of its divisors is an integer number (97950816).

Almost surely, 2^1159763165 is an apocalyptic number.

It is an amenable number.

1159763165 is a deficient number, since it is larger than the sum of its proper divisors (407449891).

1159763165 is a wasteful number, since it uses less digits than its factorization.

1159763165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680260.

The product of its digits is 170100, while the sum is 44.

The square root of 1159763165 is about 34055.2956968516. The cubic root of 1159763165 is about 1050.6460619600.

The spelling of 1159763165 in words is "one billion, one hundred fifty-nine million, seven hundred sixty-three thousand, one hundred sixty-five".