16432405562 has 4 divisors (see below), whose sum is σ = 24648608346. Its totient is φ = 8216202780.

The previous prime is 16432405559. The next prime is 16432405579. The reversal of 16432405562 is 26550423461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26550423461 = 479 ⋅55428859.

It can be written as a sum of positive squares in only one way, i.e., 14426171881 + 2006233681 = 120109^2 + 44791^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4108101389 + ... + 4108101392.

Almost surely, 2^16432405562 is an apocalyptic number.

16432405562 is a deficient number, since it is larger than the sum of its proper divisors (8216202784).

16432405562 is an equidigital number, since it uses as much as digits as its factorization.

16432405562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216202783.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 16432405562 in words is "sixteen billion, four hundred thirty-two million, four hundred five thousand, five hundred sixty-two".