16155958898 has 16 divisors (see below), whose sum is σ = 24885758520. Its totient is φ = 7861670400.

The previous prime is 16155958883. The next prime is 16155958901. The reversal of 16155958898 is 89885955161.

It can be written as a sum of positive squares in 4 ways, for example, as 15244100089 + 911858809 = 123467^2 + 30197^2 .

It is a super-2 number, since 2×16155958898² (a number of 21 digits) contains 22 as substring.

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, 207323 + ... + 274398.

Almost surely, 2^16155958898 is an apocalyptic number.

16155958898 is a deficient number, since it is larger than the sum of its proper divisors (8729799622).

16155958898 is a wasteful number, since it uses less digits than its factorization.

16155958898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482173.

The product of its digits is 31104000, while the sum is 65.

The spelling of 16155958898 in words is "sixteen billion, one hundred fifty-five million, nine hundred fifty-eight thousand, eight hundred ninety-eight".