1168620133 has 4 divisors (see below), whose sum is σ = 1219429728. Its totient is φ = 1117810540.

The previous prime is 1168620119. The next prime is 1168620143. The reversal of 1168620133 is 3310268611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1168620133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1168620095 and 1168620104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168620143) 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 3 ways as a sum of consecutive naturals, for example, 25404763 + ... + 25404808.

It is an arithmetic number, because the mean of its divisors is an integer number (304857432).

Almost surely, 2^1168620133 is an apocalyptic number.

It is an amenable number.

1168620133 is a deficient number, since it is larger than the sum of its proper divisors (50809595).

1168620133 is an equidigital number, since it uses as much as digits as its factorization.

1168620133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50809594.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1168620133 is about 34185.0864120599. The cubic root of 1168620133 is about 1053.3138336823.

Adding to 1168620133 its reverse (3310268611), we get a palindrome (4478888744).

The spelling of 1168620133 in words is "one billion, one hundred sixty-eight million, six hundred twenty thousand, one hundred thirty-three".