16980817 has 8 divisors (see below), whose sum is σ = 19931456. Its totient is φ = 14161392.

The previous prime is 16980811. The next prime is 16980823. The reversal of 16980817 is 71808961.

It is an interprime number because it is at equal distance from previous prime (16980811) and next prime (16980823).

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

It is not a de Polignac number, because 16980817 - 2¹¹ = 16978769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16980817.

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 7 ways as a sum of consecutive naturals, for example, 32523 + ... + 33040.

It is an arithmetic number, because the mean of its divisors is an integer number (2491432).

Almost surely, 2^16980817 is an apocalyptic number.

It is an amenable number.

16980817 is a deficient number, since it is larger than the sum of its proper divisors (2950639).

16980817 is an equidigital number, since it uses as much as digits as its factorization.

16980817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65607.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 16980817 is about 4120.7786885490. The cubic root of 16980817 is about 257.0314071848.

The spelling of 16980817 in words is "sixteen million, nine hundred eighty thousand, eight hundred seventeen".