16040642 has 8 divisors (see below), whose sum is σ = 24175632. Its totient is φ = 7982100.

The previous prime is 16040641. The next prime is 16040653. The reversal of 16040642 is 24604061.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (16040641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18584 + ... + 19427.

It is an arithmetic number, because the mean of its divisors is an integer number (3021954).

Almost surely, 2^16040642 is an apocalyptic number.

16040642 is a deficient number, since it is larger than the sum of its proper divisors (8134990).

16040642 is a wasteful number, since it uses less digits than its factorization.

16040642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38224.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 16040642 is about 4005.0770279734. The cubic root of 16040642 is about 252.1973867127.

The spelling of 16040642 in words is "sixteen million, forty thousand, six hundred forty-two".