16328775 has 12 divisors (see below), whose sum is σ = 26997032. Its totient is φ = 8708640.

The previous prime is 16328773. The next prime is 16328801. The reversal of 16328775 is 57782361.

16328775 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16328775 - 2¹ = 16328773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16328773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108784 + ... + 108933.

Almost surely, 2^16328775 is an apocalyptic number.

16328775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16328775 is a deficient number, since it is larger than the sum of its proper divisors (10668257).

16328775 is a wasteful number, since it uses less digits than its factorization.

16328775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217730 (or 217725 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 16328775 is about 4040.8878974800. The cubic root of 16328775 is about 253.6984817798.

The spelling of 16328775 in words is "sixteen million, three hundred twenty-eight thousand, seven hundred seventy-five".