16041253817 has 4 divisors (see below), whose sum is σ = 16060793316. Its totient is φ = 16021714320.

The previous prime is 16041253799. The next prime is 16041253843. The reversal of 16041253817 is 71835214061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71835214061 = 13 ⋅5525785697.

It can be written as a sum of positive squares in 2 ways, for example, as 2802220096 + 13239033721 = 52936^2 + 115061^2 .

It is a cyclic number.

It is not a de Polignac number, because 16041253817 - 2¹⁰ = 16041252793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16041250817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9768518 + ... + 9770159.

It is an arithmetic number, because the mean of its divisors is an integer number (4015198329).

Almost surely, 2^16041253817 is an apocalyptic number.

It is an amenable number.

16041253817 is a deficient number, since it is larger than the sum of its proper divisors (19539499).

16041253817 is an equidigital number, since it uses as much as digits as its factorization.

16041253817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19539498.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 16041253817 its reverse (71835214061), we get a palindrome (87876467878).

The spelling of 16041253817 in words is "sixteen billion, forty-one million, two hundred fifty-three thousand, eight hundred seventeen".