16990209960 has 32 divisors (see below), whose sum is σ = 50970630240. Its totient is φ = 4530722624.

The previous prime is 16990209937. The next prime is 16990209979. The reversal of 16990209960 is 6990209961.

16990209960 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 7 ways as a sum of consecutive naturals, for example, 70792422 + ... + 70792661.

It is an arithmetic number, because the mean of its divisors is an integer number (1592832195).

Almost surely, 2^16990209960 is an apocalyptic number.

16990209960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16990209960 is an abundant number, since it is smaller than the sum of its proper divisors (33980420280).

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

16990209960 is a wasteful number, since it uses less digits than its factorization.

16990209960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141585097 (or 141585093 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 51.

Subtracting from 16990209960 its reverse (6990209961), we obtain a palindrome (9999999999).

The spelling of 16990209960 in words is "sixteen billion, nine hundred ninety million, two hundred nine thousand, nine hundred sixty".