16115616050 has 24 divisors (see below), whose sum is σ = 30148328196. Its totient is φ = 6408981440.

The previous prime is 16115616043. The next prime is 16115616059. The reversal of 16115616050 is 5061651161.

It can be written as a sum of positive squares in 6 ways, for example, as 12303911929 + 3811704121 = 110923^2 + 61739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16115615998 and 16115616016.

It is not an unprimeable number, because it can be changed into a prime (16115616059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 922889 + ... + 940188.

Almost surely, 2^16115616050 is an apocalyptic number.

16115616050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16115616050 is a deficient number, since it is larger than the sum of its proper divisors (14032712146).

16115616050 is a wasteful number, since it uses less digits than its factorization.

16115616050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863262 (or 1863257 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 16115616050 in words is "sixteen billion, one hundred fifteen million, six hundred sixteen thousand, fifty".