2101605562 has 8 divisors (see below), whose sum is σ = 3602752416. Its totient is φ = 900688092.

The previous prime is 2101605551. The next prime is 2101605577. The reversal of 2101605562 is 2655061012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2101605562.

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 in 3 ways as a sum of consecutive naturals, for example, 75057328 + ... + 75057355.

It is an arithmetic number, because the mean of its divisors is an integer number (450344052).

Almost surely, 2^2101605562 is an apocalyptic number.

2101605562 is a deficient number, since it is larger than the sum of its proper divisors (1501146854).

2101605562 is a wasteful number, since it uses less digits than its factorization.

2101605562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150114692.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2101605562 is about 45843.2717200681. The cubic root of 2101605562 is about 1280.9054388734.

Adding to 2101605562 its reverse (2655061012), we get a palindrome (4756666574).

The spelling of 2101605562 in words is "two billion, one hundred one million, six hundred five thousand, five hundred sixty-two".