16790551 has 2 divisors, whose sum is σ = 16790552. Its totient is φ = 16790550.

The previous prime is 16790549. The next prime is 16790573. The reversal of 16790551 is 15509761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16790551 - 2¹ = 16790549 is a prime.

Together with 16790549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16790591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8395275 + 8395276.

It is an arithmetic number, because the mean of its divisors is an integer number (8395276).

Almost surely, 2^16790551 is an apocalyptic number.

16790551 is a deficient number, since it is larger than the sum of its proper divisors (1).

16790551 is an equidigital number, since it uses as much as digits as its factorization.

16790551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 16790551 is about 4097.6274842889. The cubic root of 16790551 is about 256.0678073555.

The spelling of 16790551 in words is "sixteen million, seven hundred ninety thousand, five hundred fifty-one".