16922753641 has 4 divisors (see below), whose sum is σ = 17506296900. Its totient is φ = 16339210384.

The previous prime is 16922753633. The next prime is 16922753707. The reversal of 16922753641 is 14635722961.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8769386025 + 8153367616 = 93645^2 + 90296^2 .

It is a cyclic number.

It is not a de Polignac number, because 16922753641 - 2³ = 16922753633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16922753591 and 16922753600.

It is not an unprimeable number, because it can be changed into a prime (16922753621) 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, 291771586 + ... + 291771643.

It is an arithmetic number, because the mean of its divisors is an integer number (4376574225).

Almost surely, 2^16922753641 is an apocalyptic number.

It is an amenable number.

16922753641 is a deficient number, since it is larger than the sum of its proper divisors (583543259).

16922753641 is an equidigital number, since it uses as much as digits as its factorization.

16922753641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583543258.

The product of its digits is 544320, while the sum is 46.

The spelling of 16922753641 in words is "sixteen billion, nine hundred twenty-two million, seven hundred fifty-three thousand, six hundred forty-one".