16452203505 has 16 divisors (see below), whose sum is σ = 26333533824. Its totient is φ = 8771172480.

The previous prime is 16452203503. The next prime is 16452203519. The reversal of 16452203505 is 50530225461.

It is not a de Polignac number, because 16452203505 - 2¹ = 16452203503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16452203503) 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, 167476 + ... + 246885.

It is an arithmetic number, because the mean of its divisors is an integer number (1645845864).

Almost surely, 2^16452203505 is an apocalyptic number.

16452203505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16452203505 is a deficient number, since it is larger than the sum of its proper divisors (9881330319).

16452203505 is a wasteful number, since it uses less digits than its factorization.

16452203505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417016.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 16452203505 its reverse (50530225461), we get a palindrome (66982428966).

The spelling of 16452203505 in words is "sixteen billion, four hundred fifty-two million, two hundred three thousand, five hundred five".