16400175540443 has 2 divisors, whose sum is σ = 16400175540444. Its totient is φ = 16400175540442.

The previous prime is 16400175540379. The next prime is 16400175540461. The reversal of 16400175540443 is 34404557100461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16400175540443 - 2⁶ = 16400175540379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16400175540394 and 16400175540403.

It is not a weakly prime, because it can be changed into another prime (16400175540473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200087770221 + 8200087770222.

It is an arithmetic number, because the mean of its divisors is an integer number (8200087770222).

Almost surely, 2^{16400175540443} is an apocalyptic number.

16400175540443 is a deficient number, since it is larger than the sum of its proper divisors (1).

16400175540443 is an equidigital number, since it uses as much as digits as its factorization.

16400175540443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 16400175540443 in words is "sixteen trillion, four hundred billion, one hundred seventy-five million, five hundred forty thousand, four hundred forty-three".