16680094 has 8 divisors (see below), whose sum is σ = 26491968. Its totient is φ = 7849440.

The previous prime is 16680091. The next prime is 16680137. The reversal of 16680094 is 49008661.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 490591 = 16680094 / (1 + 6 + 6 + 8 + 0 + 0 + 9 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245262 + ... + 245329.

It is an arithmetic number, because the mean of its divisors is an integer number (3311496).

Almost surely, 2^16680094 is an apocalyptic number.

16680094 is a deficient number, since it is larger than the sum of its proper divisors (9811874).

16680094 is a wasteful number, since it uses less digits than its factorization.

16680094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490610.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 16680094 is about 4084.1270793157. The cubic root of 16680094 is about 255.5050556659.

The spelling of 16680094 in words is "sixteen million, six hundred eighty thousand, ninety-four".