16788745 has 8 divisors (see below), whose sum is σ = 20488320. Its totient is φ = 13203120.

The previous prime is 16788727. The next prime is 16788769. The reversal of 16788745 is 54788761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-16788745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16788695 and 16788704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28161 + ... + 28750.

It is an arithmetic number, because the mean of its divisors is an integer number (2561040).

Almost surely, 2^16788745 is an apocalyptic number.

It is an amenable number.

16788745 is a deficient number, since it is larger than the sum of its proper divisors (3699575).

16788745 is an equidigital number, since it uses as much as digits as its factorization.

16788745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56975.

The product of its digits is 376320, while the sum is 46.

The square root of 16788745 is about 4097.4071069397. The cubic root of 16788745 is about 256.0586260995.

The spelling of 16788745 in words is "sixteen million, seven hundred eighty-eight thousand, seven hundred forty-five".