16418642 has 8 divisors (see below), whose sum is σ = 25698816. Its totient is φ = 7852372.

The previous prime is 16418627. The next prime is 16418653. The reversal of 16418642 is 24681461.

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

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 16418599 and 16418608.

It is an unprimeable number.

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, 178418 + ... + 178509.

It is an arithmetic number, because the mean of its divisors is an integer number (3212352).

Almost surely, 2^16418642 is an apocalyptic number.

16418642 is a deficient number, since it is larger than the sum of its proper divisors (9280174).

16418642 is a wasteful number, since it uses less digits than its factorization.

16418642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356952.

The product of its digits is 9216, while the sum is 32.

The square root of 16418642 is about 4051.9923494498. The cubic root of 16418642 is about 254.1630486391.

The spelling of 16418642 in words is "sixteen million, four hundred eighteen thousand, six hundred forty-two".