16680246 has 16 divisors (see below), whose sum is σ = 36393408. Its totient is φ = 5054600.

The previous prime is 16680241. The next prime is 16680289. The reversal of 16680246 is 64208661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680241) 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, 126300 + ... + 126431.

It is an arithmetic number, because the mean of its divisors is an integer number (2274588).

Almost surely, 2^16680246 is an apocalyptic number.

16680246 is an abundant number, since it is smaller than the sum of its proper divisors (19713162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16680246 is a wasteful number, since it uses less digits than its factorization.

16680246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252747.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 16680246 is about 4084.1456879010. The cubic root of 16680246 is about 255.5058317737.

The spelling of 16680246 in words is "sixteen million, six hundred eighty thousand, two hundred forty-six".