4663168021 has 4 divisors (see below), whose sum is σ = 4664916544. Its totient is φ = 4661419500.

The previous prime is 4663168007. The next prime is 4663168031. The reversal of 4663168021 is 1208613664.

It is a happy number.

4663168021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 4663168021 - 2¹¹ = 4663165973 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 (4663168031) 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, 870255 + ... + 875596.

It is an arithmetic number, because the mean of its divisors is an integer number (1166229136).

Almost surely, 2^4663168021 is an apocalyptic number.

It is an amenable number.

4663168021 is a deficient number, since it is larger than the sum of its proper divisors (1748523).

4663168021 is a wasteful number, since it uses less digits than its factorization.

4663168021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748522.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 4663168021 is about 68287.3928408458. The cubic root of 4663168021 is about 1670.6815940795.

The spelling of 4663168021 in words is "four billion, six hundred sixty-three million, one hundred sixty-eight thousand, twenty-one".