16401444341 has 4 divisors (see below), whose sum is σ = 16401703500. Its totient is φ = 16401185184.

The previous prime is 16401444259. The next prime is 16401444349. The reversal of 16401444341 is 14344410461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3581543716 + 12819900625 = 59846^2 + 113225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16401444341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16401444298 and 16401444307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401444349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35195 + ... + 184503.

It is an arithmetic number, because the mean of its divisors is an integer number (4100425875).

Almost surely, 2^16401444341 is an apocalyptic number.

It is an amenable number.

16401444341 is a deficient number, since it is larger than the sum of its proper divisors (259159).

16401444341 is a wasteful number, since it uses less digits than its factorization.

16401444341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259158.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 16401444341 in words is "sixteen billion, four hundred one million, four hundred forty-four thousand, three hundred forty-one".