16820252368 has 40 divisors (see below), whose sum is σ = 33071918976. Its totient is φ = 8285817600.

The previous prime is 16820252347. The next prime is 16820252377. The reversal of 16820252368 is 86325202861.

16820252368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1126713 + ... + 1141543.

Almost surely, 2^16820252368 is an apocalyptic number.

It is an amenable number.

16820252368 is a deficient number, since it is larger than the sum of its proper divisors (16251666608).

16820252368 is a wasteful number, since it uses less digits than its factorization.

16820252368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15883 (or 15877 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 16820252368 in words is "sixteen billion, eight hundred twenty million, two hundred fifty-two thousand, three hundred sixty-eight".