1165146965 has 8 divisors (see below), whose sum is σ = 1424557368. Its totient is φ = 914530240.

The previous prime is 1165146959. The next prime is 1165146977. The reversal of 1165146965 is 5696415611.

It can be written as a sum of positive squares in 4 ways, for example, as 135443044 + 1029703921 = 11638^2 + 32089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1165146965 - 2¹⁶ = 1165081429 is a prime.

It is a super-2 number, since 2×1165146965² = 2715134900097422450, which contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198126 + ... + 2198655.

It is an arithmetic number, because the mean of its divisors is an integer number (178069671).

Almost surely, 2^1165146965 is an apocalyptic number.

It is an amenable number.

1165146965 is a deficient number, since it is larger than the sum of its proper divisors (259410403).

1165146965 is an equidigital number, since it uses as much as digits as its factorization.

1165146965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396839.

The product of its digits is 194400, while the sum is 44.

The square root of 1165146965 is about 34134.2491494979. The cubic root of 1165146965 is about 1052.2693066042.

The spelling of 1165146965 in words is "one billion, one hundred sixty-five million, one hundred forty-six thousand, nine hundred sixty-five".