1166534203 has 8 divisors (see below), whose sum is σ = 1300162320. Its totient is φ = 1040129280.

The previous prime is 1166534197. The next prime is 1166534209. The reversal of 1166534203 is 3024356611.

It is an interprime number because it is at equal distance from previous prime (1166534197) and next prime (1166534209).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166534203 is a prime.

It is a super-3 number, since 3×1166534203³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166534209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805458 + ... + 1806103.

It is an arithmetic number, because the mean of its divisors is an integer number (162520290).

Almost surely, 2^1166534203 is an apocalyptic number.

1166534203 is a deficient number, since it is larger than the sum of its proper divisors (133628117).

1166534203 is a wasteful number, since it uses less digits than its factorization.

1166534203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611597.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1166534203 is about 34154.5634286255. The cubic root of 1166534203 is about 1052.6867558084.

The spelling of 1166534203 in words is "one billion, one hundred sixty-six million, five hundred thirty-four thousand, two hundred three".