16290583549 has 2 divisors, whose sum is σ = 16290583550. Its totient is φ = 16290583548.

The previous prime is 16290583493. The next prime is 16290583619. The reversal of 16290583549 is 94538509261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15250521049 + 1040062500 = 123493^2 + 32250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16290583549 is a prime.

It is a super-2 number, since 2×16290583549² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16290583496 and 16290583505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16290580549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8145291774 + 8145291775.

It is an arithmetic number, because the mean of its divisors is an integer number (8145291775).

Almost surely, 2^16290583549 is an apocalyptic number.

It is an amenable number.

16290583549 is a deficient number, since it is larger than the sum of its proper divisors (1).

16290583549 is an equidigital number, since it uses as much as digits as its factorization.

16290583549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 16290583549 in words is "sixteen billion, two hundred ninety million, five hundred eighty-three thousand, five hundred forty-nine".