16575371641 has 2 divisors, whose sum is σ = 16575371642. Its totient is φ = 16575371640.

The previous prime is 16575371627. The next prime is 16575371651. The reversal of 16575371641 is 14617357561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16046555625 + 528816016 = 126675^2 + 22996^2 .

It is an emirp because it is prime and its reverse (14617357561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16575371641 - 2²⁷ = 16441153913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16575371591 and 16575371600.

It is not a weakly prime, because it can be changed into another prime (16575371651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8287685820 + 8287685821.

It is an arithmetic number, because the mean of its divisors is an integer number (8287685821).

Almost surely, 2^16575371641 is an apocalyptic number.

It is an amenable number.

16575371641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16575371641 is an equidigital number, since it uses as much as digits as its factorization.

16575371641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 46.

The spelling of 16575371641 in words is "sixteen billion, five hundred seventy-five million, three hundred seventy-one thousand, six hundred forty-one".