16161195855 has 32 divisors (see below), whose sum is σ = 29661811200. Its totient is φ = 7360497792.

The previous prime is 16161195851. The next prime is 16161195863. The reversal of 16161195855 is 55859116161.

16161195855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16161195855 - 2² = 16161195851 is a prime.

It is a super-2 number, since 2×16161195855² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161195851) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 257845 + ... + 314334.

It is an arithmetic number, because the mean of its divisors is an integer number (926931600).

Almost surely, 2^16161195855 is an apocalyptic number.

16161195855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16161195855 is a deficient number, since it is larger than the sum of its proper divisors (13500615345).

16161195855 is a wasteful number, since it uses less digits than its factorization.

16161195855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572463.

The product of its digits is 324000, while the sum is 48.

The spelling of 16161195855 in words is "sixteen billion, one hundred sixty-one million, one hundred ninety-five thousand, eight hundred fifty-five".