16442255536 has 40 divisors (see below), whose sum is σ = 36549580320. Its totient is φ = 7019249664.

The previous prime is 16442255527. The next prime is 16442255537. The reversal of 16442255536 is 63555224461.

It is a super-3 number, since 3×16442255536³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 16442255492 and 16442255501.

It is not an unprimeable number, because it can be changed into a prime (16442255537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256831 + ... + 314398.

It is an arithmetic number, because the mean of its divisors is an integer number (913739508).

Almost surely, 2^16442255536 is an apocalyptic number.

16442255536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16442255536 is an abundant number, since it is smaller than the sum of its proper divisors (20107324784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16442255536 is a wasteful number, since it uses less digits than its factorization.

16442255536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571501 (or 571495 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

Adding to 16442255536 its reverse (63555224461), we get a palindrome (79997479997).

The spelling of 16442255536 in words is "sixteen billion, four hundred forty-two million, two hundred fifty-five thousand, five hundred thirty-six".