16980789 has 16 divisors (see below), whose sum is σ = 26083328. Its totient is φ = 9625392.

The previous prime is 16980779. The next prime is 16980797. The reversal of 16980789 is 98708961.

It is a happy number.

It is not a de Polignac number, because 16980789 - 2⁵ = 16980757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16980709) 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 15 ways as a sum of consecutive naturals, for example, 517 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (1630208).

Almost surely, 2^16980789 is an apocalyptic number.

It is an amenable number.

16980789 is a deficient number, since it is larger than the sum of its proper divisors (9102539).

16980789 is a wasteful number, since it uses less digits than its factorization.

16980789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 16980789 is about 4120.7752911315. The cubic root of 16980789 is about 257.0312659100.

The spelling of 16980789 in words is "sixteen million, nine hundred eighty thousand, seven hundred eighty-nine".