16769680 has 20 divisors (see below), whose sum is σ = 38989692. Its totient is φ = 6707840.

The previous prime is 16769671. The next prime is 16769681. The reversal of 16769680 is 8696761.

It can be written as a sum of positive squares in 2 ways, for example, as 8952064 + 7817616 = 2992^2 + 2796^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (16769681) 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, 104731 + ... + 104890.

Almost surely, 2^16769680 is an apocalyptic number.

16769680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16769680 is an abundant number, since it is smaller than the sum of its proper divisors (22220012).

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

16769680 is a wasteful number, since it uses less digits than its factorization.

16769680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209634 (or 209628 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 16769680 is about 4095.0799747990. The cubic root of 16769680 is about 255.9616641814.

The spelling of 16769680 in words is "sixteen million, seven hundred sixty-nine thousand, six hundred eighty".