445745773536616 has 64 divisors (see below), whose sum is σ = 988555800084480. Its totient is φ = 184388825442240.

The previous prime is 445745773536559. The next prime is 445745773536629. The reversal of 445745773536616 is 616635377547544.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334538766 + ... + 335868541.

It is an arithmetic number, because the mean of its divisors is an integer number (15446184376320).

Almost surely, 2^{445745773536616} is an apocalyptic number.

It is an amenable number.

445745773536616 is an abundant number, since it is smaller than the sum of its proper divisors (542810026547864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445745773536616 is a wasteful number, since it uses less digits than its factorization.

445745773536616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670407734 (or 670407730 counting only the distinct ones).

The product of its digits is 5334336000, while the sum is 73.

The spelling of 445745773536616 in words is "four hundred forty-five trillion, seven hundred forty-five billion, seven hundred seventy-three million, five hundred thirty-six thousand, six hundred sixteen".