66268383 has 8 divisors (see below), whose sum is σ = 88404528. Its totient is φ = 44155584.

The previous prime is 66268361. The next prime is 66268429. The reversal of 66268383 is 38386266.

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

It is not a de Polignac number, because 66268383 - 2⁵ = 66268351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66268183) 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, 2485 + ... + 11777.

It is an arithmetic number, because the mean of its divisors is an integer number (11050566).

Almost surely, 2^66268383 is an apocalyptic number.

66268383 is a deficient number, since it is larger than the sum of its proper divisors (22136145).

66268383 is a wasteful number, since it uses less digits than its factorization.

66268383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11673.

The product of its digits is 248832, while the sum is 42.

The square root of 66268383 is about 8140.5394784375. The cubic root of 66268383 is about 404.6710390774.

The spelling of 66268383 in words is "sixty-six million, two hundred sixty-eight thousand, three hundred eighty-three".