16643342 has 16 divisors (see below), whose sum is σ = 25880064. Its totient is φ = 8019000.

The previous prime is 16643339. The next prime is 16643351. The reversal of 16643342 is 24334661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20117 + ... + 20927.

It is an arithmetic number, because the mean of its divisors is an integer number (1617504).

Almost surely, 2^16643342 is an apocalyptic number.

16643342 is a deficient number, since it is larger than the sum of its proper divisors (9236722).

16643342 is a wasteful number, since it uses less digits than its factorization.

16643342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175.

The product of its digits is 10368, while the sum is 29.

The square root of 16643342 is about 4079.6252278855. The cubic root of 16643342 is about 255.3172624204.

The spelling of 16643342 in words is "sixteen million, six hundred forty-three thousand, three hundred forty-two".