447365665066 has 16 divisors (see below), whose sum is σ = 692743408128. Its totient is φ = 216452199600.

The previous prime is 447365665037. The next prime is 447365665073. The reversal of 447365665066 is 660566563744.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 447365665066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674851 + ... + 1161961.

It is an arithmetic number, because the mean of its divisors is an integer number (43296463008).

Almost surely, 2^447365665066 is an apocalyptic number.

447365665066 is a deficient number, since it is larger than the sum of its proper divisors (245377743062).

447365665066 is a wasteful number, since it uses less digits than its factorization.

447365665066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501957.

The product of its (nonzero) digits is 65318400, while the sum is 58.

The spelling of 447365665066 in words is "four hundred forty-seven billion, three hundred sixty-five million, six hundred sixty-five thousand, sixty-six".