66211363 has 8 divisors (see below), whose sum is σ = 67586400. Its totient is φ = 64841088.

The previous prime is 66211361. The next prime is 66211421. The reversal of 66211363 is 36311266.

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 66211363 - 2¹ = 66211361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66211361) 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, 43723 + ... + 45211.

It is an arithmetic number, because the mean of its divisors is an integer number (8448300).

Almost surely, 2^66211363 is an apocalyptic number.

66211363 is a deficient number, since it is larger than the sum of its proper divisors (1375037).

66211363 is a wasteful number, since it uses less digits than its factorization.

66211363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381.

The product of its digits is 3888, while the sum is 28.

The square root of 66211363 is about 8137.0364998567. The cubic root of 66211363 is about 404.5549406566.

The spelling of 66211363 in words is "sixty-six million, two hundred eleven thousand, three hundred sixty-three".