16650331368 has 32 divisors (see below), whose sum is σ = 45409995360. Its totient is φ = 5045554880.

The previous prime is 16650331367. The next prime is 16650331381. The reversal of 16650331368 is 86313305661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16650331367) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31534455 + ... + 31534982.

It is an arithmetic number, because the mean of its divisors is an integer number (1419062355).

Almost surely, 2^16650331368 is an apocalyptic number.

It is an amenable number.

16650331368 is an abundant number, since it is smaller than the sum of its proper divisors (28759663992).

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

16650331368 is a wasteful number, since it uses less digits than its factorization.

16650331368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63069457 (or 63069453 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 16650331368 in words is "sixteen billion, six hundred fifty million, three hundred thirty-one thousand, three hundred sixty-eight".