16451028 has 36 divisors (see below), whose sum is σ = 45366048. Its totient is φ = 4985040.

The previous prime is 16451011. The next prime is 16451047. The reversal of 16451028 is 82015461.

16451028 is a `hidden beast` number, since 1 + 645 + 10 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 16450992 and 16451010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20376 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (1260168).

Almost surely, 2^16451028 is an apocalyptic number.

16451028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16451028 is an abundant number, since it is smaller than the sum of its proper divisors (28915020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16451028 is a wasteful number, since it uses less digits than its factorization.

16451028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41564 (or 41559 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 16451028 is about 4055.9866863687. The cubic root of 16451028 is about 254.3300522659.

Adding to 16451028 its reverse (82015461), we get a palindrome (98466489).

The spelling of 16451028 in words is "sixteen million, four hundred fifty-one thousand, twenty-eight".