66111346 has 8 divisors (see below), whose sum is σ = 113333760. Its totient is φ = 28333428.

The previous prime is 66111343. The next prime is 66111359. The reversal of 66111346 is 64311166.

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

It is not an unprimeable number, because it can be changed into a prime (66111343) 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, 2361106 + ... + 2361133.

It is an arithmetic number, because the mean of its divisors is an integer number (14166720).

Almost surely, 2^66111346 is an apocalyptic number.

66111346 is a deficient number, since it is larger than the sum of its proper divisors (47222414).

66111346 is a wasteful number, since it uses less digits than its factorization.

66111346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722248.

The product of its digits is 2592, while the sum is 28.

The square root of 66111346 is about 8130.8883893459. Note that the first 3 decimals coincide. The cubic root of 66111346 is about 404.3511349424.

The spelling of 66111346 in words is "sixty-six million, one hundred eleven thousand, three hundred forty-six".