445766221656065 has 8 divisors (see below), whose sum is σ = 536330862997440. Its totient is φ = 355672045984752.

The previous prime is 445766221656047. The next prime is 445766221656127. The reversal of 445766221656065 is 560656122667544.

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 445766221656065 - 2¹² = 445766221651969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445766221655992 and 445766221656010.

It is an unprimeable number.

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, 117616415429 + ... + 117616419218.

It is an arithmetic number, because the mean of its divisors is an integer number (67041357874680).

Almost surely, 2^{445766221656065} is an apocalyptic number.

It is an amenable number.

445766221656065 is a deficient number, since it is larger than the sum of its proper divisors (90564641341375).

445766221656065 is a wasteful number, since it uses less digits than its factorization.

445766221656065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235232835031.

The product of its (nonzero) digits is 435456000, while the sum is 65.

The spelling of 445766221656065 in words is "four hundred forty-five trillion, seven hundred sixty-six billion, two hundred twenty-one million, six hundred fifty-six thousand, sixty-five".