66629334 has 8 divisors (see below), whose sum is σ = 133258680. Its totient is φ = 22209776.

The previous prime is 66629309. The next prime is 66629359. The reversal of 66629334 is 43392666.

It is an interprime number because it is at equal distance from previous prime (66629309) and next prime (66629359).

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

66629334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 66629292 and 66629301.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5552439 + ... + 5552450.

It is an arithmetic number, because the mean of its divisors is an integer number (16657335).

Almost surely, 2^66629334 is an apocalyptic number.

66629334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66629334 is a wasteful number, since it uses less digits than its factorization.

66629334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104894.

The product of its digits is 139968, while the sum is 39.

The square root of 66629334 is about 8162.6793395306. The cubic root of 66629334 is about 405.4044306324.

The spelling of 66629334 in words is "sixty-six million, six hundred twenty-nine thousand, three hundred thirty-four".