1168182081 has 80 divisors (see below), whose sum is σ = 2030453568. Its totient is φ = 661478400.

The previous prime is 1168182079. The next prime is 1168182107. The reversal of 1168182081 is 1802818611.

It is a happy number.

1168182081 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 1168182081 - 2¹ = 1168182079 is a prime.

It is a super-2 number, since 2×1168182081² = 2729298748738981122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1168182011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3529086 + ... + 3529416.

Almost surely, 2^1168182081 is an apocalyptic number.

1168182081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1168182081 is a deficient number, since it is larger than the sum of its proper divisors (862271487).

1168182081 is a wasteful number, since it uses less digits than its factorization.

1168182081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 36.

The square root of 1168182081 is about 34178.6787486000. The cubic root of 1168182081 is about 1053.1822072502.

The spelling of 1168182081 in words is "one billion, one hundred sixty-eight million, one hundred eighty-two thousand, eighty-one".