16205016968 has 24 divisors (see below), whose sum is σ = 35345127150. Its totient is φ = 6945007104.

The previous prime is 16205016941. The next prime is 16205016979. The reversal of 16205016968 is 86961050261.

It can be written as a sum of positive squares in only one way, i.e., 14893273444 + 1311743524 = 122038^2 + 36218^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20669273 + ... + 20670056.

Almost surely, 2^16205016968 is an apocalyptic number.

It is an amenable number.

16205016968 is an abundant number, since it is smaller than the sum of its proper divisors (19140110182).

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

16205016968 is a wasteful number, since it uses less digits than its factorization.

16205016968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41339349 (or 41339338 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 16205016968 in words is "sixteen billion, two hundred five million, sixteen thousand, nine hundred sixty-eight".