16842542 has 8 divisors (see below), whose sum is σ = 25288032. Its totient is φ = 8413200.

The previous prime is 16842523. The next prime is 16842547. The reversal of 16842542 is 24524861.

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

It is a super-3 number, since 3×16842542³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16842499 and 16842508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16842547) 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, 959 + ... + 5882.

It is an arithmetic number, because the mean of its divisors is an integer number (3161004).

Almost surely, 2^16842542 is an apocalyptic number.

16842542 is a deficient number, since it is larger than the sum of its proper divisors (8445490).

16842542 is a wasteful number, since it uses less digits than its factorization.

16842542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8074.

The product of its digits is 15360, while the sum is 32.

The square root of 16842542 is about 4103.9666177980. The cubic root of 16842542 is about 256.3318348979.

The spelling of 16842542 in words is "sixteen million, eight hundred forty-two thousand, five hundred forty-two".