16050353621 has 2 divisors, whose sum is σ = 16050353622. Its totient is φ = 16050353620.

The previous prime is 16050353597. The next prime is 16050353629. The reversal of 16050353621 is 12635305061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8521320721 + 7529032900 = 92311^2 + 86770^2 .

It is an emirp because it is prime and its reverse (12635305061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16050353621 is a prime.

It is a super-2 number, since 2×16050353621² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16050353629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8025176810 + 8025176811.

It is an arithmetic number, because the mean of its divisors is an integer number (8025176811).

Almost surely, 2^16050353621 is an apocalyptic number.

It is an amenable number.

16050353621 is a deficient number, since it is larger than the sum of its proper divisors (1).

16050353621 is an equidigital number, since it uses as much as digits as its factorization.

16050353621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 16050353621 its reverse (12635305061), we get a palindrome (28685658682).

The spelling of 16050353621 in words is "sixteen billion, fifty million, three hundred fifty-three thousand, six hundred twenty-one".