16458838898 has 16 divisors (see below), whose sum is σ = 26380335960. Its totient is φ = 7674276096.

The previous prime is 16458838861. The next prime is 16458838909. The reversal of 16458838898 is 89883885461.

It can be written as a sum of positive squares in 4 ways, for example, as 15392620489 + 1066218409 = 124067^2 + 32653^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216861 + ... + 2224272.

Almost surely, 2^16458838898 is an apocalyptic number.

16458838898 is a deficient number, since it is larger than the sum of its proper divisors (9921497062).

16458838898 is a wasteful number, since it uses less digits than its factorization.

16458838898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441261.

The product of its digits is 106168320, while the sum is 68.

The spelling of 16458838898 in words is "sixteen billion, four hundred fifty-eight million, eight hundred thirty-eight thousand, eight hundred ninety-eight".