16980355 has 16 divisors (see below), whose sum is σ = 23857344. Its totient is φ = 11358720.

The previous prime is 16980329. The next prime is 16980391. The reversal of 16980355 is 55308961.

It is not a de Polignac number, because 16980355 - 2⁹ = 16979843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4482 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (1491084).

Almost surely, 2^16980355 is an apocalyptic number.

16980355 is a deficient number, since it is larger than the sum of its proper divisors (6876989).

16980355 is a wasteful number, since it uses less digits than its factorization.

16980355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11886.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 16980355 is about 4120.7226308015. The cubic root of 16980355 is about 257.0290761311.

The spelling of 16980355 in words is "sixteen million, nine hundred eighty thousand, three hundred fifty-five".