16428996 has 36 divisors (see below), whose sum is σ = 43716400. Its totient is φ = 5187888.

The previous prime is 16428989. The next prime is 16429001. The reversal of 16428996 is 69982461.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11326 + ... + 12693.

Almost surely, 2^16428996 is an apocalyptic number.

It is an amenable number.

16428996 is an abundant number, since it is smaller than the sum of its proper divisors (27287404).

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

16428996 is a wasteful number, since it uses less digits than its factorization.

16428996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24048 (or 24043 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 16428996 is about 4053.2697911686. The cubic root of 16428996 is about 254.2164645715.

It can be divided in two parts, 16428 and 996, that added together give a square (17424 = 132²).

The spelling of 16428996 in words is "sixteen million, four hundred twenty-eight thousand, nine hundred ninety-six".