66848111 has 8 divisors (see below), whose sum is σ = 74014464. Its totient is φ = 59863320.

The previous prime is 66848083. The next prime is 66848113. The reversal of 66848111 is 11184866.

It is a happy number.

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

It is not a de Polignac number, because 66848111 - 2¹⁰ = 66847087 is a prime.

It is a super-3 number, since 3×66848111³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66848113) 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, 44615 + ... + 46088.

It is an arithmetic number, because the mean of its divisors is an integer number (9251808).

Almost surely, 2^66848111 is an apocalyptic number.

66848111 is a deficient number, since it is larger than the sum of its proper divisors (7166353).

66848111 is a wasteful number, since it uses less digits than its factorization.

66848111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90781.

The product of its digits is 9216, while the sum is 35.

The square root of 66848111 is about 8176.0694101750. The cubic root of 66848111 is about 405.8476601731.

The spelling of 66848111 in words is "sixty-six million, eight hundred forty-eight thousand, one hundred eleven".