16764571141 has 4 divisors (see below), whose sum is σ = 17121264192. Its totient is φ = 16407878092.

The previous prime is 16764571133. The next prime is 16764571171. The reversal of 16764571141 is 14117546761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14117546761 = 21613 ⋅653197.

It is a cyclic number.

It is not a de Polignac number, because 16764571141 - 2³ = 16764571133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16764571171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178346455 + ... + 178346548.

It is an arithmetic number, because the mean of its divisors is an integer number (4280316048).

Almost surely, 2^16764571141 is an apocalyptic number.

It is an amenable number.

16764571141 is a deficient number, since it is larger than the sum of its proper divisors (356693051).

16764571141 is an equidigital number, since it uses as much as digits as its factorization.

16764571141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356693050.

The product of its digits is 141120, while the sum is 43.

The spelling of 16764571141 in words is "sixteen billion, seven hundred sixty-four million, five hundred seventy-one thousand, one hundred forty-one".