16155220050 has 36 divisors (see below), whose sum is σ = 43403692410. Its totient is φ = 4308058560.

The previous prime is 16155220049. The next prime is 16155220093. The reversal of 16155220050 is 5002255161.

16155220050 is a `hidden beast` number, since 1 + 61 + 552 + 2 + 0 + 0 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6431879601 + 9723340449 = 80199^2 + 98607^2 .

It is a super-2 number, since 2×16155220050² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16155219996 and 16155220023.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17949795 + ... + 17950694.

Almost surely, 2^16155220050 is an apocalyptic number.

16155220050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16155220050 is an abundant number, since it is smaller than the sum of its proper divisors (27248472360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16155220050 is a wasteful number, since it uses less digits than its factorization.

16155220050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35900507 (or 35900499 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 16155220050 in words is "sixteen billion, one hundred fifty-five million, two hundred twenty thousand, fifty".