16155156055 has 4 divisors (see below), whose sum is σ = 19386187272. Its totient is φ = 12924124840.

The previous prime is 16155156053. The next prime is 16155156067. The reversal of 16155156055 is 55065155161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55065155161 = 241 ⋅228486121.

It is not a de Polignac number, because 16155156055 - 2¹ = 16155156053 is a prime.

It is a super-2 number, since 2×16155156055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16155155999 and 16155156017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16155156053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1615515601 + ... + 1615515610.

It is an arithmetic number, because the mean of its divisors is an integer number (4846546818).

Almost surely, 2^16155156055 is an apocalyptic number.

16155156055 is a deficient number, since it is larger than the sum of its proper divisors (3231031217).

16155156055 is an equidigital number, since it uses as much as digits as its factorization.

16155156055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231031216.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 16155156055 in words is "sixteen billion, one hundred fifty-five million, one hundred fifty-six thousand, fifty-five".