16542424 has 16 divisors (see below), whose sum is σ = 31136400. Its totient is φ = 8239392.

The previous prime is 16542419. The next prime is 16542431. The reversal of 16542424 is 42424561.

It is a junction number, because it is equal to n+sod(n) for n = 16542392 and 16542401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692 + ... + 5995.

It is an arithmetic number, because the mean of its divisors is an integer number (1946025).

Almost surely, 2^16542424 is an apocalyptic number.

It is an amenable number.

16542424 is a deficient number, since it is larger than the sum of its proper divisors (14593976).

16542424 is a wasteful number, since it uses less digits than its factorization.

16542424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962 (or 7958 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 16542424 is about 4067.2378833798. The cubic root of 16542424 is about 254.8001715260.

Adding to 16542424 its reverse (42424561), we get a palindrome (58966985).

The spelling of 16542424 in words is "sixteen million, five hundred forty-two thousand, four hundred twenty-four".