16078628 has 6 divisors (see below), whose sum is σ = 28137606. Its totient is φ = 8039312.

The previous prime is 16078627. The next prime is 16078639. The reversal of 16078628 is 82687061.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 3912484 = 3488^2 + 1978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16078591 and 16078600.

It is not an unprimeable number, because it can be changed into a prime (16078627) 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 as a sum of consecutive naturals, namely, 2009825 + ... + 2009832.

It is an arithmetic number, because the mean of its divisors is an integer number (4689601).

Almost surely, 2^16078628 is an apocalyptic number.

It is an amenable number.

16078628 is a deficient number, since it is larger than the sum of its proper divisors (12058978).

16078628 is a wasteful number, since it uses less digits than its factorization.

16078628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019661 (or 4019659 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 16078628 is about 4009.8164546523. The cubic root of 16078628 is about 252.3963068001.

The spelling of 16078628 in words is "sixteen million, seventy-eight thousand, six hundred twenty-eight".