444536224005666 has 32 divisors (see below), whose sum is σ = 979729209264960. Its totient is φ = 133599437625024.

The previous prime is 444536224005649. The next prime is 444536224005703. The reversal of 444536224005666 is 666500422635444.

It is a super-2 number, since 2×444536224005666² (a number of 30 digits) contains 22 as substring.

It is a Curzon 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, 66269558961 + ... + 66269565668.

It is an arithmetic number, because the mean of its divisors is an integer number (30616537789530).

Almost surely, 2^{444536224005666} is an apocalyptic number.

444536224005666 is an abundant number, since it is smaller than the sum of its proper divisors (535192985259294).

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

444536224005666 is a wasteful number, since it uses less digits than its factorization.

444536224005666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132539124690.

The product of its (nonzero) digits is 99532800, while the sum is 57.

The spelling of 444536224005666 in words is "four hundred forty-four trillion, five hundred thirty-six billion, two hundred twenty-four million, five thousand, six hundred sixty-six".