16648530605400 has 96 divisors (see below), whose sum is σ = 51624855797760. Its totient is φ = 4438368512640.

The previous prime is 16648530605323. The next prime is 16648530605417. The reversal of 16648530605400 is 450603584661.

It is a self number, because there is not a number n which added to its sum of digits gives 16648530605400.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1722312 + ... + 6021911.

It is an arithmetic number, because the mean of its divisors is an integer number (537758914560).

Almost surely, 2^{16648530605400} is an apocalyptic number.

16648530605400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16648530605400 is an abundant number, since it is smaller than the sum of its proper divisors (34976325192360).

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

16648530605400 is a wasteful number, since it uses less digits than its factorization.

16648530605400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747825 (or 7747816 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 16648530605400 in words is "sixteen trillion, six hundred forty-eight billion, five hundred thirty million, six hundred five thousand, four hundred".