16442072236655 has 32 divisors (see below), whose sum is σ = 21415930200000. Its totient is φ = 12046106022912.

The previous prime is 16442072236649. The next prime is 16442072236663. The reversal of 16442072236655 is 55663227024461.

It is not a de Polignac number, because 16442072236655 - 2⁸ = 16442072236399 is a prime.

It is a super-3 number, since 3×16442072236655³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442072236597 and 16442072236606.

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 31 ways as a sum of consecutive naturals, for example, 14586221 + ... + 15672969.

It is an arithmetic number, because the mean of its divisors is an integer number (669247818750).

Almost surely, 2^{16442072236655} is an apocalyptic number.

16442072236655 is a deficient number, since it is larger than the sum of its proper divisors (4973857963345).

16442072236655 is a wasteful number, since it uses less digits than its factorization.

16442072236655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088603.

The product of its (nonzero) digits is 14515200, while the sum is 53.

The spelling of 16442072236655 in words is "sixteen trillion, four hundred forty-two billion, seventy-two million, two hundred thirty-six thousand, six hundred fifty-five".