7168444133 has 4 divisors (see below), whose sum is σ = 7174979820. Its totient is φ = 7161908448.

The previous prime is 7168444117. The next prime is 7168444147. The reversal of 7168444133 is 3314448617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3314448617 = 50273 ⋅65929.

It can be written as a sum of positive squares in 2 ways, for example, as 2285509249 + 4882934884 = 47807^2 + 69878^2 .

It is a cyclic number.

It is not a de Polignac number, because 7168444133 - 2⁴ = 7168444117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7168444163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266198 + ... + 3268391.

It is an arithmetic number, because the mean of its divisors is an integer number (1793744955).

Almost surely, 2^7168444133 is an apocalyptic number.

It is an amenable number.

7168444133 is a deficient number, since it is larger than the sum of its proper divisors (6535687).

7168444133 is a wasteful number, since it uses less digits than its factorization.

7168444133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535686.

The product of its digits is 193536, while the sum is 41.

The square root of 7168444133 is about 84666.6648274278. The cubic root of 7168444133 is about 1928.1536328285.

The spelling of 7168444133 in words is "seven billion, one hundred sixty-eight million, four hundred forty-four thousand, one hundred thirty-three".