16225777471 has 2 divisors, whose sum is σ = 16225777472. Its totient is φ = 16225777470.

The previous prime is 16225777459. The next prime is 16225777481. The reversal of 16225777471 is 17477752261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16225777471 - 2⁵ = 16225777439 is a prime.

It is a super-3 number, since 3×16225777471³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16225777441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8112888735 + 8112888736.

It is an arithmetic number, because the mean of its divisors is an integer number (8112888736).

Almost surely, 2^16225777471 is an apocalyptic number.

16225777471 is a deficient number, since it is larger than the sum of its proper divisors (1).

16225777471 is an equidigital number, since it uses as much as digits as its factorization.

16225777471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152480, while the sum is 49.

The spelling of 16225777471 in words is "sixteen billion, two hundred twenty-five million, seven hundred seventy-seven thousand, four hundred seventy-one".