66211341 has 16 divisors (see below), whose sum is σ = 102111744. Its totient is φ = 37378224.

The previous prime is 66211337. The next prime is 66211349. The reversal of 66211341 is 14311266.

It is not a de Polignac number, because 66211341 - 2² = 66211337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66211349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17251 + ... + 20736.

It is an arithmetic number, because the mean of its divisors is an integer number (6381984).

Almost surely, 2^66211341 is an apocalyptic number.

It is an amenable number.

66211341 is a deficient number, since it is larger than the sum of its proper divisors (35900403).

66211341 is a wasteful number, since it uses less digits than its factorization.

66211341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38080.

The product of its digits is 864, while the sum is 24.

The square root of 66211341 is about 8137.0351480131. The cubic root of 66211341 is about 404.5548958496.

The spelling of 66211341 in words is "sixty-six million, two hundred eleven thousand, three hundred forty-one".