16421667763 has 2 divisors, whose sum is σ = 16421667764. Its totient is φ = 16421667762.

The previous prime is 16421667751. The next prime is 16421667791. The reversal of 16421667763 is 36776612461.

It is a weak prime.

It is an emirp because it is prime and its reverse (36776612461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16421667763 - 2¹³ = 16421659571 is a prime.

It is not a weakly prime, because it can be changed into another prime (16421668763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8210833881 + 8210833882.

It is an arithmetic number, because the mean of its divisors is an integer number (8210833882).

Almost surely, 2^16421667763 is an apocalyptic number.

16421667763 is a deficient number, since it is larger than the sum of its proper divisors (1).

16421667763 is an equidigital number, since it uses as much as digits as its factorization.

16421667763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 49.

The spelling of 16421667763 in words is "sixteen billion, four hundred twenty-one million, six hundred sixty-seven thousand, seven hundred sixty-three".