16622353442 has 4 divisors (see below), whose sum is σ = 24933530166. Its totient is φ = 8311176720.

The previous prime is 16622353441. The next prime is 16622353463. The reversal of 16622353442 is 24435322661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24435322661 = 1033 ⋅23654717.

It can be written as a sum of positive squares in only one way, i.e., 8742063001 + 7880290441 = 93499^2 + 88771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16622353396 and 16622353405.

It is not an unprimeable number, because it can be changed into a prime (16622353441) 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 as a sum of consecutive naturals, namely, 4155588359 + ... + 4155588362.

Almost surely, 2^16622353442 is an apocalyptic number.

16622353442 is a deficient number, since it is larger than the sum of its proper divisors (8311176724).

16622353442 is an equidigital number, since it uses as much as digits as its factorization.

16622353442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8311176723.

The product of its digits is 207360, while the sum is 38.

The spelling of 16622353442 in words is "sixteen billion, six hundred twenty-two million, three hundred fifty-three thousand, four hundred forty-two".