16422156450 has 162 divisors, whose sum is σ = 51383806929. Its totient is φ = 3749286240.

The previous prime is 16422156409. The next prime is 16422156461. The reversal of 16422156450 is 5465122461.

16422156450 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 2 + 1 + 5 + 645 + 0 = 666.

16422156450 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 2 ways, for example, as 16093713321 + 328443129 = 126861^2 + 18123^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=90615.

It is an unprimeable number.

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 80 ways as a sum of consecutive naturals, for example, 19028719 + ... + 19029581.

Almost surely, 2^16422156450 is an apocalyptic number.

16422156450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16422156450

16422156450 is an abundant number, since it is smaller than the sum of its proper divisors (34961650479).

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

16422156450 is an equidigital number, since it uses as much as digits as its factorization.

16422156450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 16422156450 in words is "sixteen billion, four hundred twenty-two million, one hundred fifty-six thousand, four hundred fifty".