16745893 has 2 divisors, whose sum is σ = 16745894. Its totient is φ = 16745892.

The previous prime is 16745891. The next prime is 16745951. The reversal of 16745893 is 39854761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15225604 + 1520289 = 3902^2 + 1233^2 .

It is a cyclic number.

It is not a de Polignac number, because 16745893 - 2¹ = 16745891 is a prime.

Together with 16745891, 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 (16745891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8372946 + 8372947.

It is an arithmetic number, because the mean of its divisors is an integer number (8372947).

Almost surely, 2^16745893 is an apocalyptic number.

It is an amenable number.

16745893 is a deficient number, since it is larger than the sum of its proper divisors (1).

16745893 is an equidigital number, since it uses as much as digits as its factorization.

16745893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 16745893 is about 4092.1746052680. The cubic root of 16745893 is about 255.8405837323.

The spelling of 16745893 in words is "sixteen million, seven hundred forty-five thousand, eight hundred ninety-three".