16442621527343 has 16 divisors (see below), whose sum is σ = 18149124384000. Its totient is φ = 14771593615680.

The previous prime is 16442621527307. The next prime is 16442621527393. The reversal of 16442621527343 is 34372512624461.

It is a happy number.

It is not a de Polignac number, because 16442621527343 - 2⁶ = 16442621527279 is a prime.

It is a super-3 number, since 3×16442621527343³ (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 = 16442621527291 and 16442621527300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442621527393) 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, 2964293 + ... + 6455406.

It is an arithmetic number, because the mean of its divisors is an integer number (1134320274000).

Almost surely, 2^{16442621527343} is an apocalyptic number.

16442621527343 is a deficient number, since it is larger than the sum of its proper divisors (1706502856657).

16442621527343 is a wasteful number, since it uses less digits than its factorization.

16442621527343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9421582.

The product of its digits is 5806080, while the sum is 50.

The spelling of 16442621527343 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-one million, five hundred twenty-seven thousand, three hundred forty-three".