16738642 has 16 divisors (see below), whose sum is σ = 26687232. Its totient is φ = 7846720.

The previous prime is 16738637. The next prime is 16738643. The reversal of 16738642 is 24683761.

It is not an unprimeable number, because it can be changed into a prime (16738643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9783 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (1667952).

Almost surely, 2^16738642 is an apocalyptic number.

16738642 is a deficient number, since it is larger than the sum of its proper divisors (9948590).

16738642 is a wasteful number, since it uses less digits than its factorization.

16738642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its digits is 48384, while the sum is 37.

The square root of 16738642 is about 4091.2885500781. The cubic root of 16738642 is about 255.8036519328.

It can be divided in two parts, 167 and 38642, that added together give a square (38809 = 197²).

The spelling of 16738642 in words is "sixteen million, seven hundred thirty-eight thousand, six hundred forty-two".