4168334681 has 4 divisors (see below), whose sum is σ = 4763811072. Its totient is φ = 3572858292.

The previous prime is 4168334671. The next prime is 4168334699. The reversal of 4168334681 is 1864338614.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1864338614 = 2 ⋅932169307.

It is a cyclic number.

It is not a de Polignac number, because 4168334681 - 2³⁰ = 3094592857 is a prime.

It is a super-2 number, since 2×4168334681² = 34750028025654743522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4168334671) 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, 297738185 + ... + 297738198.

It is an arithmetic number, because the mean of its divisors is an integer number (1190952768).

Almost surely, 2^4168334681 is an apocalyptic number.

It is an amenable number.

4168334681 is a deficient number, since it is larger than the sum of its proper divisors (595476391).

4168334681 is an equidigital number, since it uses as much as digits as its factorization.

4168334681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595476390.

The product of its digits is 331776, while the sum is 44.

The square root of 4168334681 is about 64562.6415274344. The cubic root of 4168334681 is about 1609.3636723800.

The spelling of 4168334681 in words is "four billion, one hundred sixty-eight million, three hundred thirty-four thousand, six hundred eighty-one".