16006275653 has 4 divisors (see below), whose sum is σ = 16308280908. Its totient is φ = 15704270400.

The previous prime is 16006275619. The next prime is 16006275707. The reversal of 16006275653 is 35657260061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35657260061 = 5519 ⋅6460819.

It can be written as a sum of positive squares in 2 ways, for example, as 5410043809 + 10596231844 = 73553^2 + 102938^2 .

It is a cyclic number.

It is not a de Polignac number, because 16006275653 - 2⁶ = 16006275589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16006275653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16006275053) 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, 151002548 + ... + 151002653.

It is an arithmetic number, because the mean of its divisors is an integer number (4077070227).

Almost surely, 2^16006275653 is an apocalyptic number.

It is an amenable number.

16006275653 is a deficient number, since it is larger than the sum of its proper divisors (302005255).

16006275653 is an equidigital number, since it uses as much as digits as its factorization.

16006275653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302005254.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 16006275653 in words is "sixteen billion, six million, two hundred seventy-five thousand, six hundred fifty-three".