16208988533 has 2 divisors, whose sum is σ = 16208988534. Its totient is φ = 16208988532.

The previous prime is 16208988529. The next prime is 16208988581. The reversal of 16208988533 is 33588980261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16137383089 + 71605444 = 127033^2 + 8462^2 .

It is a cyclic number.

It is not a de Polignac number, because 16208988533 - 2² = 16208988529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16208988233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8104494266 + 8104494267.

It is an arithmetic number, because the mean of its divisors is an integer number (8104494267).

Almost surely, 2^16208988533 is an apocalyptic number.

It is an amenable number.

16208988533 is a deficient number, since it is larger than the sum of its proper divisors (1).

16208988533 is an equidigital number, since it uses as much as digits as its factorization.

16208988533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 16208988533 in words is "sixteen billion, two hundred eight million, nine hundred eighty-eight thousand, five hundred thirty-three".