4442066266121 has 16 divisors (see below), whose sum is σ = 4925543006976. Its totient is φ = 3971870640000.

The previous prime is 4442066266093. The next prime is 4442066266171. The reversal of 4442066266121 is 1216626602444.

It is a cyclic number.

It is not a de Polignac number, because 4442066266121 - 2²² = 4442062071817 is a prime.

It is a super-2 number, since 2×4442066266121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4442066266171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17021936 + ... + 17280926.

It is an arithmetic number, because the mean of its divisors is an integer number (307846437936).

Almost surely, 2^{4442066266121} is an apocalyptic number.

It is an amenable number.

4442066266121 is a deficient number, since it is larger than the sum of its proper divisors (483476740855).

4442066266121 is a wasteful number, since it uses less digits than its factorization.

4442066266121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284624.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 4442066266121 in words is "four trillion, four hundred forty-two billion, sixty-six million, two hundred sixty-six thousand, one hundred twenty-one".