16272221353 has 2 divisors, whose sum is σ = 16272221354. Its totient is φ = 16272221352.

The previous prime is 16272221333. The next prime is 16272221369. The reversal of 16272221353 is 35312227261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15443529984 + 828691369 = 124272^2 + 28787^2 .

It is a cyclic number.

It is not a de Polignac number, because 16272221353 - 2⁵ = 16272221321 is a prime.

It is a super-2 number, since 2×16272221353² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16272221333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8136110676 + 8136110677.

It is an arithmetic number, because the mean of its divisors is an integer number (8136110677).

Almost surely, 2^16272221353 is an apocalyptic number.

It is an amenable number.

16272221353 is a deficient number, since it is larger than the sum of its proper divisors (1).

16272221353 is an equidigital number, since it uses as much as digits as its factorization.

16272221353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The spelling of 16272221353 in words is "sixteen billion, two hundred seventy-two million, two hundred twenty-one thousand, three hundred fifty-three".