1650061103 has 4 divisors (see below), whose sum is σ = 1657266840. Its totient is φ = 1642855368.

The previous prime is 1650061093. The next prime is 1650061117. The reversal of 1650061103 is 3011600561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3011600561 = 61 ⋅49370501.

It is a cyclic number.

It is not a de Polignac number, because 1650061103 - 2¹⁰ = 1650060079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650069103) 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 3 ways as a sum of consecutive naturals, for example, 3602525 + ... + 3602982.

It is an arithmetic number, because the mean of its divisors is an integer number (414316710).

Almost surely, 2^1650061103 is an apocalyptic number.

1650061103 is a deficient number, since it is larger than the sum of its proper divisors (7205737).

1650061103 is an equidigital number, since it uses as much as digits as its factorization.

1650061103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7205736.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1650061103 is about 40620.9441421541. The cubic root of 1650061103 is about 1181.6803368172.

Adding to 1650061103 its reverse (3011600561), we get a palindrome (4661661664).

The spelling of 1650061103 in words is "one billion, six hundred fifty million, sixty-one thousand, one hundred three".