16442144544077 has 8 divisors (see below), whose sum is σ = 19896376591296. Its totient is φ = 13264251060672.

The previous prime is 16442144544047. The next prime is 16442144544079. The reversal of 16442144544077 is 77044544124461.

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 16442144544077 - 2¹⁸ = 16442144281933 is a prime.

It is a super-3 number, since 3×16442144544077³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442144544079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69084640823 + ... + 69084641060.

It is an arithmetic number, because the mean of its divisors is an integer number (2487047073912).

Almost surely, 2^{16442144544077} is an apocalyptic number.

16442144544077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16442144544077 is a deficient number, since it is larger than the sum of its proper divisors (3454232047219).

16442144544077 is a wasteful number, since it uses less digits than its factorization.

16442144544077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138169281907.

The product of its (nonzero) digits is 12042240, while the sum is 53.

The spelling of 16442144544077 in words is "sixteen trillion, four hundred forty-two billion, one hundred forty-four million, five hundred forty-four thousand, seventy-seven".