16066256653 has 4 divisors (see below), whose sum is σ = 16066869660. Its totient is φ = 16065643648.

The previous prime is 16066256627. The next prime is 16066256663. The reversal of 16066256653 is 35665266061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7313157289 + 8753099364 = 85517^2 + 93558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16066256653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066256663) 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 3 ways as a sum of consecutive naturals, for example, 265348 + ... + 320221.

It is an arithmetic number, because the mean of its divisors is an integer number (4016717415).

Almost surely, 2^16066256653 is an apocalyptic number.

It is an amenable number.

16066256653 is a deficient number, since it is larger than the sum of its proper divisors (613007).

16066256653 is an equidigital number, since it uses as much as digits as its factorization.

16066256653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613006.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 16066256653 in words is "sixteen billion, sixty-six million, two hundred fifty-six thousand, six hundred fifty-three".