16506424450 has 48 divisors (see below), whose sum is σ = 31992851880. Its totient is φ = 6328286720.

The previous prime is 16506424447. The next prime is 16506424453. The reversal of 16506424450 is 5442460561.

16506424450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16506424447) and next prime (16506424453).

It can be written as a sum of positive squares in 12 ways, for example, as 1242069049 + 15264355401 = 35243^2 + 123549^2 .

It is not an unprimeable number, because it can be changed into a prime (16506424453) 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 23 ways as a sum of consecutive naturals, for example, 157104 + ... + 240196.

Almost surely, 2^16506424450 is an apocalyptic number.

16506424450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16506424450 is a deficient number, since it is larger than the sum of its proper divisors (15486427430).

16506424450 is a wasteful number, since it uses less digits than its factorization.

16506424450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83271 (or 83266 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 16506424450 in words is "sixteen billion, five hundred six million, four hundred twenty-four thousand, four hundred fifty".