66338346 has 16 divisors (see below), whose sum is σ = 133366464. Its totient is φ = 21997824.

The previous prime is 66338339. The next prime is 66338387. The reversal of 66338346 is 64383366.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27486 + ... + 29801.

It is an arithmetic number, because the mean of its divisors is an integer number (8335404).

Almost surely, 2^66338346 is an apocalyptic number.

66338346 is an abundant number, since it is smaller than the sum of its proper divisors (67028118).

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

66338346 is a wasteful number, since it uses less digits than its factorization.

66338346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57485.

The product of its digits is 186624, while the sum is 39.

The square root of 66338346 is about 8144.8355416178. The cubic root of 66338346 is about 404.8133997879.

The spelling of 66338346 in words is "sixty-six million, three hundred thirty-eight thousand, three hundred forty-six".