16018424 has 8 divisors (see below), whose sum is σ = 30034560. Its totient is φ = 8009208.

The previous prime is 16018393. The next prime is 16018433. The reversal of 16018424 is 42481061.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 16018393 and 16018402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001144 + ... + 1001159.

It is an arithmetic number, because the mean of its divisors is an integer number (3754320).

Almost surely, 2^16018424 is an apocalyptic number.

It is an amenable number.

16018424 is a deficient number, since it is larger than the sum of its proper divisors (14016136).

16018424 is a wasteful number, since it uses less digits than its factorization.

16018424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002309 (or 2002305 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 16018424 is about 4002.3023374053. The cubic root of 16018424 is about 252.0808928176.

Adding to 16018424 its reverse (42481061), we get a palindrome (58499485).

The spelling of 16018424 in words is "sixteen million, eighteen thousand, four hundred twenty-four".