1616317471 has 2 divisors, whose sum is σ = 1616317472. Its totient is φ = 1616317470.

The previous prime is 1616317453. The next prime is 1616317501. The reversal of 1616317471 is 1747136161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1616317471 - 2¹⁹ = 1615793183 is a prime.

It is a super-3 number, since 3×1616317471³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1616317471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1616317421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808158735 + 808158736.

It is an arithmetic number, because the mean of its divisors is an integer number (808158736).

Almost surely, 2^1616317471 is an apocalyptic number.

1616317471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616317471 is an equidigital number, since it uses as much as digits as its factorization.

1616317471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 1616317471 is about 40203.4509837153. The cubic root of 1616317471 is about 1173.5697027691.

The spelling of 1616317471 in words is "one billion, six hundred sixteen million, three hundred seventeen thousand, four hundred seventy-one".