16189642 has 8 divisors (see below), whose sum is σ = 27753696. Its totient is φ = 6938412.

The previous prime is 16189637. The next prime is 16189651. The reversal of 16189642 is 24698161.

It is a happy number.

16189642 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

16189642 is strictly pandigital in base 8.

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, 578188 + ... + 578215.

It is an arithmetic number, because the mean of its divisors is an integer number (3469212).

Almost surely, 2^16189642 is an apocalyptic number.

16189642 is a deficient number, since it is larger than the sum of its proper divisors (11564054).

16189642 is a wasteful number, since it uses less digits than its factorization.

16189642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156412.

The product of its digits is 20736, while the sum is 37.

The square root of 16189642 is about 4023.6354208601. The cubic root of 16189642 is about 252.9758604661.

The spelling of 16189642 in words is "sixteen million, one hundred eighty-nine thousand, six hundred forty-two".