16243544522 has 8 divisors (see below), whose sum is σ = 24366340836. Its totient is φ = 8121430912.

The previous prime is 16243544509. The next prime is 16243544531. The reversal of 16243544522 is 22544534261.

It can be written as a sum of positive squares in 2 ways, for example, as 16230505201 + 13039321 = 127399^2 + 3611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106343 + ... + 209274.

Almost surely, 2^16243544522 is an apocalyptic number.

16243544522 is a deficient number, since it is larger than the sum of its proper divisors (8122796314).

16243544522 is a wasteful number, since it uses less digits than its factorization.

16243544522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341352.

The product of its digits is 230400, while the sum is 38.

The spelling of 16243544522 in words is "sixteen billion, two hundred forty-three million, five hundred forty-four thousand, five hundred twenty-two".