16555139158 has 16 divisors (see below), whose sum is σ = 24989939856. Its totient is φ = 8225212000.

The previous prime is 16555139149. The next prime is 16555139171. The reversal of 16555139158 is 85193155561.

It is a happy number.

16555139158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×16555139158³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670533 + ... + 694783.

It is an arithmetic number, because the mean of its divisors is an integer number (1561871241).

Almost surely, 2^16555139158 is an apocalyptic number.

16555139158 is a deficient number, since it is larger than the sum of its proper divisors (8434800698).

16555139158 is a wasteful number, since it uses less digits than its factorization.

16555139158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26399.

The product of its digits is 810000, while the sum is 49.

The spelling of 16555139158 in words is "sixteen billion, five hundred fifty-five million, one hundred thirty-nine thousand, one hundred fifty-eight".