16442621504054 has 16 divisors (see below), whose sum is σ = 24734179245600. Its totient is φ = 8197897951104.

The previous prime is 16442621504003. The next prime is 16442621504077. The reversal of 16442621504054 is 45040512624461.

It is a super-3 number, since 3×16442621504054³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442621503996 and 16442621504014.

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, 10916414 + ... + 12330990.

It is an arithmetic number, because the mean of its divisors is an integer number (1545886202850).

Almost surely, 2^{16442621504054} is an apocalyptic number.

16442621504054 is a deficient number, since it is larger than the sum of its proper divisors (8291557741546).

16442621504054 is a wasteful number, since it uses less digits than its factorization.

16442621504054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431127.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 16442621504054 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-one million, five hundred four thousand, fifty-four".