1610561565106 has 16 divisors (see below), whose sum is σ = 2601748634688. Its totient is φ = 743315461200.

The previous prime is 1610561565091. The next prime is 1610561565143. The reversal of 1610561565106 is 6015651650161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114721 + ... + 1798411.

It is an arithmetic number, because the mean of its divisors is an integer number (162609289668).

Almost surely, 2^{1610561565106} is an apocalyptic number.

1610561565106 is a deficient number, since it is larger than the sum of its proper divisors (991187069582).

1610561565106 is a wasteful number, since it uses less digits than its factorization.

1610561565106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720497.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 1610561565106 in words is "one trillion, six hundred ten billion, five hundred sixty-one million, five hundred sixty-five thousand, one hundred six".