16355442605 has 16 divisors (see below), whose sum is σ = 19688451840. Its totient is φ = 13043130048.

The previous prime is 16355442599. The next prime is 16355442643. The reversal of 16355442605 is 50624455361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16355442605 - 2⁸ = 16355442349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3149351 + ... + 3154539.

It is an arithmetic number, because the mean of its divisors is an integer number (1230528240).

Almost surely, 2^16355442605 is an apocalyptic number.

It is an amenable number.

16355442605 is a deficient number, since it is larger than the sum of its proper divisors (3333009235).

16355442605 is a wasteful number, since it uses less digits than its factorization.

16355442605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 16355442605 its reverse (50624455361), we get a palindrome (66979897966).

The spelling of 16355442605 in words is "sixteen billion, three hundred fifty-five million, four hundred forty-two thousand, six hundred five".