16155156065 has 8 divisors (see below), whose sum is σ = 19498247208. Its totient is φ = 12849418240.

The previous prime is 16155156053. The next prime is 16155156067. The reversal of 16155156065 is 56065155161.

16155156065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3721122001 + 12434034064 = 61001^2 + 111508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16155156065 - 2¹⁶ = 16155090529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16155156067) 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 7 ways as a sum of consecutive naturals, for example, 9337376 + ... + 9339105.

It is an arithmetic number, because the mean of its divisors is an integer number (2437280901).

Almost surely, 2^16155156065 is an apocalyptic number.

It is an amenable number.

16155156065 is a deficient number, since it is larger than the sum of its proper divisors (3343091143).

16155156065 is a wasteful number, since it uses less digits than its factorization.

16155156065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18676659.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 16155156065 in words is "sixteen billion, one hundred fifty-five million, one hundred fifty-six thousand, sixty-five".