16109872907453 has 16 divisors (see below), whose sum is σ = 17522030526000. Its totient is φ = 14722440076800.

The previous prime is 16109872907423. The next prime is 16109872907477. The reversal of 16109872907453 is 35470927890161.

It can be written as a sum of positive squares in 8 ways, for example, as 179133790564 + 15930739116889 = 423242^2 + 3991333^2 .

It is a cyclic number.

It is not a de Polignac number, because 16109872907453 - 2²⁶ = 16109805798589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109872907423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19753553 + ... + 20552921.

It is an arithmetic number, because the mean of its divisors is an integer number (1095126907875).

It is a 2-persistent number, because it is pandigital, and so is 2⋅16109872907453 = 32219745814906, but 3⋅16109872907453 = 48329618722359 is not.

Almost surely, 2^{16109872907453} is an apocalyptic number.

16109872907453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16109872907453 is a deficient number, since it is larger than the sum of its proper divisors (1412157618547).

16109872907453 is a wasteful number, since it uses less digits than its factorization.

16109872907453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814832.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 16109872907453 in words is "sixteen trillion, one hundred nine billion, eight hundred seventy-two million, nine hundred seven thousand, four hundred fifty-three".