16942403823456 has 72 divisors (see below), whose sum is σ = 44979132457224. Its totient is φ = 5584012994560.

The previous prime is 16942403823379. The next prime is 16942403823479. The reversal of 16942403823456 is 65432830424961.

It is a junction number, because it is equal to n+sod(n) for n = 16942403823396 and 16942403823405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10379805 + ... + 11900636.

It is an arithmetic number, because the mean of its divisors is an integer number (624710173017).

Almost surely, 2^{16942403823456} is an apocalyptic number.

16942403823456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16942403823456 is an abundant number, since it is smaller than the sum of its proper divisors (28036728633768).

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

16942403823456 is an equidigital number, since it uses as much as digits as its factorization.

16942403823456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280632 (or 22280535 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 57.

The spelling of 16942403823456 in words is "sixteen trillion, nine hundred forty-two billion, four hundred three million, eight hundred twenty-three thousand, four hundred fifty-six".