16980818 has 8 divisors (see below), whose sum is σ = 26013312. Its totient is φ = 8309716.

The previous prime is 16980811. The next prime is 16980823. The reversal of 16980818 is 81808961.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16980811) 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, 90230 + ... + 90417.

It is an arithmetic number, because the mean of its divisors is an integer number (3251664).

Almost surely, 2^16980818 is an apocalyptic number.

16980818 is a deficient number, since it is larger than the sum of its proper divisors (9032494).

16980818 is a wasteful number, since it uses less digits than its factorization.

16980818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180696.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 16980818 is about 4120.7788098853. The cubic root of 16980818 is about 257.0314122303.

The spelling of 16980818 in words is "sixteen million, nine hundred eighty thousand, eight hundred eighteen".