16416898 has 4 divisors (see below), whose sum is σ = 24625350. Its totient is φ = 8208448.

The previous prime is 16416889. The next prime is 16416899. The reversal of 16416898 is 89861461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89861461 = 3299 ⋅27239.

It can be written as a sum of positive squares in only one way, i.e., 11607649 + 4809249 = 3407^2 + 2193^2 .

It is not an unprimeable number, because it can be changed into a prime (16416899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104223 + ... + 4104226.

Almost surely, 2^16416898 is an apocalyptic number.

16416898 is a deficient number, since it is larger than the sum of its proper divisors (8208452).

16416898 is an equidigital number, since it uses as much as digits as its factorization.

16416898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8208451.

The product of its digits is 82944, while the sum is 43.

The square root of 16416898 is about 4051.7771409593. Note that the first 3 decimals coincide. The cubic root of 16416898 is about 254.1540491930.

The spelling of 16416898 in words is "sixteen million, four hundred sixteen thousand, eight hundred ninety-eight".