1164651065 has 8 divisors (see below), whose sum is σ = 1398800328. Its totient is φ = 930908160.

The previous prime is 1164651031. The next prime is 1164651073. The reversal of 1164651065 is 5601564611.

It can be written as a sum of positive squares in 4 ways, for example, as 238300969 + 926350096 = 15437^2 + 30436^2 .

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

It is not a de Polignac number, because 1164651065 - 2¹⁶ = 1164585529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95246 + ... + 106775.

It is an arithmetic number, because the mean of its divisors is an integer number (174850041).

Almost surely, 2^1164651065 is an apocalyptic number.

It is an amenable number.

1164651065 is a deficient number, since it is larger than the sum of its proper divisors (234149263).

1164651065 is a wasteful number, since it uses less digits than its factorization.

1164651065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203179.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1164651065 is about 34126.9844111665. The cubic root of 1164651065 is about 1052.1199994314.

The spelling of 1164651065 in words is "one billion, one hundred sixty-four million, six hundred fifty-one thousand, sixty-five".