66841363 has 8 divisors (see below), whose sum is σ = 69096320. Its totient is φ = 64592640.

The previous prime is 66841361. The next prime is 66841391. The reversal of 66841363 is 36314866.

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

It is a cyclic number.

It is not a de Polignac number, because 66841363 - 2¹ = 66841361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66841361) 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, 32131 + ... + 34147.

It is an arithmetic number, because the mean of its divisors is an integer number (8637040).

Almost surely, 2^66841363 is an apocalyptic number.

66841363 is a deficient number, since it is larger than the sum of its proper divisors (2254957).

66841363 is a wasteful number, since it uses less digits than its factorization.

66841363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its digits is 62208, while the sum is 37.

The square root of 66841363 is about 8175.6567320308. The cubic root of 66841363 is about 405.8340035810.

The spelling of 66841363 in words is "sixty-six million, eight hundred forty-one thousand, three hundred sixty-three".