1650110561 has 16 divisors (see below), whose sum is σ = 1829889600. Its totient is φ = 1475496000.

The previous prime is 1650110543. The next prime is 1650110569.

1650110561 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1650110561 - 2¹⁰ = 1650109537 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1650110561.

It is not an unprimeable number, because it can be changed into a prime (1650110569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161711 + ... + 171611.

It is an arithmetic number, because the mean of its divisors is an integer number (114368100).

Almost surely, 2^1650110561 is an apocalyptic number.

1650110561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1650110561 is a deficient number, since it is larger than the sum of its proper divisors (179779039).

1650110561 is a wasteful number, since it uses less digits than its factorization.

1650110561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1650110561 is about 40621.5529122164. The cubic root of 1650110561 is about 1181.6921430390.

It can be divided in two parts, 1650 and 110561, that added together give a palindrome (112211).

The spelling of 1650110561 in words is "one billion, six hundred fifty million, one hundred ten thousand, five hundred sixty-one".