66202210441 has 8 divisors (see below), whose sum is σ = 70103425320. Its totient is φ = 62301769728.

The previous prime is 66202210411. The next prime is 66202210493. The reversal of 66202210441 is 14401220266.

It can be written as a sum of positive squares in 4 ways, for example, as 4997924416 + 61204286025 = 70696^2 + 247395^2 .

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

It is not a de Polignac number, because 66202210441 - 2²¹ = 66200113289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66202210411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12636 + ... + 364093.

It is an arithmetic number, because the mean of its divisors is an integer number (8762928165).

Almost surely, 2^66202210441 is an apocalyptic number.

It is an amenable number.

66202210441 is a deficient number, since it is larger than the sum of its proper divisors (3901214879).

66202210441 is a wasteful number, since it uses less digits than its factorization.

66202210441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387083.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 66202210441 in words is "sixty-six billion, two hundred two million, two hundred ten thousand, four hundred forty-one".