16428130 has 8 divisors (see below), whose sum is σ = 29570652. Its totient is φ = 6571248.

The previous prime is 16428119. The next prime is 16428133. The reversal of 16428130 is 3182461.

It can be written as a sum of positive squares in 2 ways, for example, as 14493249 + 1934881 = 3807^2 + 1391^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16428095 and 16428104.

It is not an unprimeable number, because it can be changed into a prime (16428133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 821397 + ... + 821416.

Almost surely, 2^16428130 is an apocalyptic number.

16428130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16428130 is a deficient number, since it is larger than the sum of its proper divisors (13142522).

16428130 is a wasteful number, since it uses less digits than its factorization.

16428130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642820.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 16428130 is about 4053.1629624282. The cubic root of 16428130 is about 254.2119977673.

The spelling of 16428130 in words is "sixteen million, four hundred twenty-eight thousand, one hundred thirty".