1600016605 has 8 divisors (see below), whose sum is σ = 2094567264. Its totient is φ = 1163648400.

The previous prime is 1600016603. The next prime is 1600016611. The reversal of 1600016605 is 5066100061.

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

It is not a de Polignac number, because 1600016605 - 2¹ = 1600016603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1600016605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600016603) 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 7 ways as a sum of consecutive naturals, for example, 14545551 + ... + 14545660.

It is an arithmetic number, because the mean of its divisors is an integer number (261820908).

Almost surely, 2^1600016605 is an apocalyptic number.

It is an amenable number.

1600016605 is a deficient number, since it is larger than the sum of its proper divisors (494550659).

1600016605 is a wasteful number, since it uses less digits than its factorization.

1600016605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29091227.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1600016605 is about 40000.2075619615. The cubic root of 1600016605 is about 1169.6111413807.

Adding to 1600016605 its reverse (5066100061), we get a palindrome (6666116666).

The spelling of 1600016605 in words is "one billion, six hundred million, sixteen thousand, six hundred five".