16321742 has 8 divisors (see below), whose sum is σ = 24569976. Its totient is φ = 8131752.

The previous prime is 16321733. The next prime is 16321759. The reversal of 16321742 is 24712361.

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

It is a congruent number.

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, 13853 + ... + 14984.

It is an arithmetic number, because the mean of its divisors is an integer number (3071247).

Almost surely, 2^16321742 is an apocalyptic number.

16321742 is a deficient number, since it is larger than the sum of its proper divisors (8248234).

16321742 is a wasteful number, since it uses less digits than its factorization.

16321742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29122.

The product of its digits is 2016, while the sum is 26.

The square root of 16321742 is about 4040.0175742192. The cubic root of 16321742 is about 253.6620528856.

The spelling of 16321742 in words is "sixteen million, three hundred twenty-one thousand, seven hundred forty-two".