668330029 has 8 divisors (see below), whose sum is σ = 684460800. Its totient is φ = 652386000.

The previous prime is 668330017. The next prime is 668330059. The reversal of 668330029 is 920033866.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-668330029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 668330029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668330009) 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 7 ways as a sum of consecutive naturals, for example, 39429 + ... + 53770.

It is an arithmetic number, because the mean of its divisors is an integer number (85557600).

Almost surely, 2^668330029 is an apocalyptic number.

It is an amenable number.

668330029 is a deficient number, since it is larger than the sum of its proper divisors (16130771).

668330029 is a wasteful number, since it uses less digits than its factorization.

668330029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93371.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 668330029 is about 25852.0797809383. The cubic root of 668330029 is about 874.3064017426.

The spelling of 668330029 in words is "six hundred sixty-eight million, three hundred thirty thousand, twenty-nine".