3650360661 has 10 divisors (see below), whose sum is σ = 5453008022. Its totient is φ = 2433573720.

The previous prime is 3650360641. The next prime is 3650360671. The reversal of 3650360661 is 1660630563.

It is a happy number.

3650360661 is a `hidden beast` number, since 36 + 503 + 60 + 6 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2925728100 + 724632561 = 54090^2 + 26919^2 .

It is not a de Polignac number, because 3650360661 - 2⁵ = 3650360629 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 (3650360641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22533010 + ... + 22533171.

Almost surely, 2^3650360661 is an apocalyptic number.

It is an amenable number.

3650360661 is a deficient number, since it is larger than the sum of its proper divisors (1802647361).

3650360661 is an equidigital number, since it uses as much as digits as its factorization.

3650360661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45066193 (or 45066184 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 3650360661 is about 60418.2146459162. The cubic root of 3650360661 is about 1539.7324352433.

The spelling of 3650360661 in words is "three billion, six hundred fifty million, three hundred sixty thousand, six hundred sixty-one".