16637790047 has 2 divisors, whose sum is σ = 16637790048. Its totient is φ = 16637790046.

The previous prime is 16637790011. The next prime is 16637790049. The reversal of 16637790047 is 74009773661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16637790047 - 2¹² = 16637785951 is a prime.

Together with 16637790049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16637789977 and 16637790004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16637790049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8318895023 + 8318895024.

It is an arithmetic number, because the mean of its divisors is an integer number (8318895024).

Almost surely, 2^16637790047 is an apocalyptic number.

16637790047 is a deficient number, since it is larger than the sum of its proper divisors (1).

16637790047 is an equidigital number, since it uses as much as digits as its factorization.

16637790047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 16637790047 in words is "sixteen billion, six hundred thirty-seven million, seven hundred ninety thousand, forty-seven".