16442673503655 has 64 divisors (see below), whose sum is σ = 31374668464128. Its totient is φ = 7189651497600.

The previous prime is 16442673503621. The next prime is 16442673503717. The reversal of 16442673503655 is 55630537624461.

It is not a de Polignac number, because 16442673503655 - 2⁶ = 16442673503591 is a prime.

It is a super-3 number, since 3×16442673503655³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442673503595 and 16442673503604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133611162 + ... + 133734168.

It is an arithmetic number, because the mean of its divisors is an integer number (490229194752).

Almost surely, 2^{16442673503655} is an apocalyptic number.

16442673503655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16442673503655 is a deficient number, since it is larger than the sum of its proper divisors (14931994960473).

16442673503655 is a wasteful number, since it uses less digits than its factorization.

16442673503655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178396.

The product of its (nonzero) digits is 54432000, while the sum is 57.

The spelling of 16442673503655 in words is "sixteen trillion, four hundred forty-two billion, six hundred seventy-three million, five hundred three thousand, six hundred fifty-five".