1163026065 has 8 divisors (see below), whose sum is σ = 1860841728. Its totient is φ = 620280560.

The previous prime is 1163026021. The next prime is 1163026087. The reversal of 1163026065 is 5606203611.

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

It is a de Polignac number, because none of the positive numbers 2^k-1163026065 is a prime.

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, 38767521 + ... + 38767550.

It is an arithmetic number, because the mean of its divisors is an integer number (232605216).

Almost surely, 2^1163026065 is an apocalyptic number.

1163026065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163026065 is a deficient number, since it is larger than the sum of its proper divisors (697815663).

1163026065 is an equidigital number, since it uses as much as digits as its factorization.

1163026065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77535079.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1163026065 is about 34103.1679613493. The cubic root of 1163026065 is about 1051.6304419928.

Adding to 1163026065 its reverse (5606203611), we get a palindrome (6769229676).

The spelling of 1163026065 in words is "one billion, one hundred sixty-three million, twenty-six thousand, sixty-five".