16382420407593 has 6 divisors (see below), whose sum is σ = 23663496144314. Its totient is φ = 10921613605056.

The previous prime is 16382420407523. The next prime is 16382420407607. The reversal of 16382420407593 is 39570402428361.

16382420407593 is a `hidden beast` number, since 1 + 6 + 3 + 8 + 2 + 4 + 2 + 0 + 40 + 7 + 593 = 666.

16382420407593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15897101971689 + 485318435904 = 3987117^2 + 696648^2 .

It is not a de Polignac number, because 16382420407593 - 2¹⁸ = 16382420145449 is a prime.

It is a super-2 number, since 2×16382420407593² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16382420407523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 910134467080 + ... + 910134467097.

It is a 1-persistent number, because it is pandigital, but 2⋅16382420407593 = 32764840815186 is not.

Almost surely, 2^{16382420407593} is an apocalyptic number.

It is an amenable number.

16382420407593 is a deficient number, since it is larger than the sum of its proper divisors (7281075736721).

16382420407593 is a wasteful number, since it uses less digits than its factorization.

16382420407593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820268934183 (or 1820268934180 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 16382420407593 in words is "sixteen trillion, three hundred eighty-two billion, four hundred twenty million, four hundred seven thousand, five hundred ninety-three".