16442625671744 has 14 divisors (see below), whose sum is σ = 32628335317494. Its totient is φ = 8221312835840.

The previous prime is 16442625671653. The next prime is 16442625671749. The reversal of 16442625671744 is 44717652624461.

It can be written as a sum of positive squares in only one way, i.e., 9675135598144 + 6767490073600 = 3110488^2 + 2601440^2 .

It is a super-3 number, since 3×16442625671744³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442625671749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128458012997 + ... + 128458013124.

It is an arithmetic number, because the mean of its divisors is an integer number (2330595379821).

Almost surely, 2^{16442625671744} is an apocalyptic number.

It is an amenable number.

16442625671744 is a deficient number, since it is larger than the sum of its proper divisors (16185709645750).

16442625671744 is an equidigital number, since it uses as much as digits as its factorization.

16442625671744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256916026133 (or 256916026123 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 59.

The spelling of 16442625671744 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-five million, six hundred seventy-one thousand, seven hundred forty-four".