16918898 has 8 divisors (see below), whose sum is σ = 25396140. Its totient is φ = 8453520.

The previous prime is 16918897. The next prime is 16918903. The reversal of 16918898 is 89881961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16345849 + 573049 = 4043^2 + 757^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16918897) 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, 3008 + ... + 6548.

Almost surely, 2^16918898 is an apocalyptic number.

16918898 is a deficient number, since it is larger than the sum of its proper divisors (8477242).

16918898 is a wasteful number, since it uses less digits than its factorization.

16918898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932.

The product of its digits is 248832, while the sum is 50.

The square root of 16918898 is about 4113.2588053756. The cubic root of 16918898 is about 256.7186128252.

The spelling of 16918898 in words is "sixteen million, nine hundred eighteen thousand, eight hundred ninety-eight".