16442371027045 has 8 divisors (see below), whose sum is σ = 19783742943096. Its totient is φ = 13118631681216.

The previous prime is 16442371026979. The next prime is 16442371027051. The reversal of 16442371027045 is 54072017324461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18212582116 + 16424158444929 = 134954^2 + 4052673^2 .

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 16442371027045 - 2⁴¹ = 14243347771493 is a prime.

It is a super-3 number, since 3×16442371027045³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16442371026986 and 16442371027004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4408140502 + ... + 4408144231.

It is an arithmetic number, because the mean of its divisors is an integer number (2472967867887).

Almost surely, 2^{16442371027045} is an apocalyptic number.

It is an amenable number.

16442371027045 is a deficient number, since it is larger than the sum of its proper divisors (3341371916051).

16442371027045 is an equidigital number, since it uses as much as digits as its factorization.

16442371027045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816285111.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 16442371027045 in words is "sixteen trillion, four hundred forty-two billion, three hundred seventy-one million, twenty-seven thousand, forty-five".