16211272545833 has 4 divisors (see below), whose sum is σ = 16211336377680. Its totient is φ = 16211208713988.

The previous prime is 16211272545763. The next prime is 16211272545841. The reversal of 16211272545833 is 33854527211261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16211272545833 - 2¹⁶ = 16211272480297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16211272545233) 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, 31533443 + ... + 32043416.

It is an arithmetic number, because the mean of its divisors is an integer number (4052834094420).

Almost surely, 2^{16211272545833} is an apocalyptic number.

It is an amenable number.

16211272545833 is a deficient number, since it is larger than the sum of its proper divisors (63831847).

16211272545833 is an equidigital number, since it uses as much as digits as its factorization.

16211272545833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63831846.

The product of its digits is 2419200, while the sum is 50.

The spelling of 16211272545833 in words is "sixteen trillion, two hundred eleven billion, two hundred seventy-two million, five hundred forty-five thousand, eight hundred thirty-three".