16400175540379 has 2 divisors, whose sum is σ = 16400175540380. Its totient is φ = 16400175540378.

The previous prime is 16400175540377. The next prime is 16400175540443. The reversal of 16400175540379 is 97304557100461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16400175540379 - 2¹ = 16400175540377 is a prime.

Together with 16400175540377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16400175540377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200087770189 + 8200087770190.

It is an arithmetic number, because the mean of its divisors is an integer number (8200087770190).

Almost surely, 2^{16400175540379} is an apocalyptic number.

16400175540379 is a deficient number, since it is larger than the sum of its proper divisors (1).

16400175540379 is an equidigital number, since it uses as much as digits as its factorization.

16400175540379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 16400175540379 in words is "sixteen trillion, four hundred billion, one hundred seventy-five million, five hundred forty thousand, three hundred seventy-nine".