668100833 has 8 divisors (see below), whose sum is σ = 707761152. Its totient is φ = 628480576.

The previous prime is 668100787. The next prime is 668100889. The reversal of 668100833 is 338001866.

It is a happy number.

668100833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 668100833 - 2⁸ = 668100577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 668100793 and 668100802.

It is not an unprimeable number, because it can be changed into a prime (668100893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28616 + ... + 46422.

It is an arithmetic number, because the mean of its divisors is an integer number (88470144).

Almost surely, 2^668100833 is an apocalyptic number.

It is an amenable number.

668100833 is a deficient number, since it is larger than the sum of its proper divisors (39660319).

668100833 is a wasteful number, since it uses less digits than its factorization.

668100833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20031.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 668100833 is about 25847.6465659835. The cubic root of 668100833 is about 874.2064459161.

The spelling of 668100833 in words is "six hundred sixty-eight million, one hundred thousand, eight hundred thirty-three".