1163164266 has 32 divisors (see below), whose sum is σ = 2819793600. Its totient is φ = 352473840.

The previous prime is 1163164231. The next prime is 1163164309. The reversal of 1163164266 is 6624613611.

It is a happy number.

1163164266 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 1 + 642 + 6 + 6 = 666.

It is a super-2 number, since 2×1163164266² = 2705902219398637512, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1163164266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978501 + ... + 979688.

It is an arithmetic number, because the mean of its divisors is an integer number (88118550).

Almost surely, 2^1163164266 is an apocalyptic number.

1163164266 is an abundant number, since it is smaller than the sum of its proper divisors (1656629334).

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

1163164266 is a wasteful number, since it uses less digits than its factorization.

1163164266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958211 (or 1958205 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1163164266 is about 34105.1941205442. The cubic root of 1163164266 is about 1051.6720950067.

Adding to 1163164266 its reverse (6624613611), we get a palindrome (7787777877).

The spelling of 1163164266 in words is "one billion, one hundred sixty-three million, one hundred sixty-four thousand, two hundred sixty-six".