1166160203 has 8 divisors (see below), whose sum is σ = 1329739488. Its totient is φ = 1013134464.

The previous prime is 1166160187. The next prime is 1166160221. The reversal of 1166160203 is 3020616611.

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

It is a cyclic number.

It is not a de Polignac number, because 1166160203 - 2⁴ = 1166160187 is a prime.

It is a super-2 number, since 2×1166160203² = 2719859238122002418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166160223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638151 + ... + 2638592.

It is an arithmetic number, because the mean of its divisors is an integer number (166217436).

Almost surely, 2^1166160203 is an apocalyptic number.

1166160203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1166160203 is a deficient number, since it is larger than the sum of its proper divisors (163579285).

1166160203 is a wasteful number, since it uses less digits than its factorization.

1166160203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276773.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1166160203 is about 34149.0878794734. The cubic root of 1166160203 is about 1052.5742439112.

Adding to 1166160203 its reverse (3020616611), we get a palindrome (4186776814).

The spelling of 1166160203 in words is "one billion, one hundred sixty-six million, one hundred sixty thousand, two hundred three".