16349864650 has 96 divisors (see below), whose sum is σ = 35692001280. Its totient is φ = 5456445120.

The previous prime is 16349864561. The next prime is 16349864693. The reversal of 16349864650 is 5646894361.

It is a happy number.

16349864650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 2123107 + ... + 2130793.

It is an arithmetic number, because the mean of its divisors is an integer number (371791680).

Almost surely, 2^16349864650 is an apocalyptic number.

16349864650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16349864650 is an abundant number, since it is smaller than the sum of its proper divisors (19342136630).

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

16349864650 is a wasteful number, since it uses less digits than its factorization.

16349864650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868 (or 7863 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 16349864650 in words is "sixteen billion, three hundred forty-nine million, eight hundred sixty-four thousand, six hundred fifty".