16775428 has 12 divisors (see below), whose sum is σ = 29981952. Its totient is φ = 8209160.

The previous prime is 16775417. The next prime is 16775431. The reversal of 16775428 is 82457761.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44428 + ... + 44803.

It is an arithmetic number, because the mean of its divisors is an integer number (2498496).

Almost surely, 2^16775428 is an apocalyptic number.

It is an amenable number.

16775428 is a deficient number, since it is larger than the sum of its proper divisors (13206524).

16775428 is a wasteful number, since it uses less digits than its factorization.

16775428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89282 (or 89280 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 16775428 is about 4095.7817324657. The cubic root of 16775428 is about 255.9909054386.

The spelling of 16775428 in words is "sixteen million, seven hundred seventy-five thousand, four hundred twenty-eight".