16648285020858 has 24 divisors (see below), whose sum is σ = 36072044456448. Its totient is φ = 5549311379592.

The previous prime is 16648285020853. The next prime is 16648285020859. The reversal of 16648285020858 is 85802058284661.

16648285020858 is a `hidden beast` number, since 1 + 6 + 6 + 48 + 2 + 8 + 502 + 0 + 85 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16648285020795 and 16648285020804.

It is not an unprimeable number, because it can be changed into a prime (16648285020853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8866810 + ... + 10579077.

It is an arithmetic number, because the mean of its divisors is an integer number (1503001852352).

Almost surely, 2^{16648285020858} is an apocalyptic number.

16648285020858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16648285020858 is an abundant number, since it is smaller than the sum of its proper divisors (19423759435590).

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

16648285020858 is a wasteful number, since it uses less digits than its factorization.

16648285020858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19493458 (or 19493455 counting only the distinct ones).

The product of its (nonzero) digits is 58982400, while the sum is 63.

The spelling of 16648285020858 in words is "sixteen trillion, six hundred forty-eight billion, two hundred eighty-five million, twenty thousand, eight hundred fifty-eight".