3607766561 has 24 divisors (see below), whose sum is σ = 4289894784. Its totient is φ = 3024520800.

The previous prime is 3607766543. The next prime is 3607766573. The reversal of 3607766561 is 1656677063.

It is not a de Polignac number, because 3607766561 - 2⁶ = 3607766497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3607766761) 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 23 ways as a sum of consecutive naturals, for example, 406376 + ... + 415158.

It is an arithmetic number, because the mean of its divisors is an integer number (178745616).

Almost surely, 2^3607766561 is an apocalyptic number.

It is an amenable number.

3607766561 is a deficient number, since it is larger than the sum of its proper divisors (682128223).

3607766561 is a wasteful number, since it uses less digits than its factorization.

3607766561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8981 (or 8974 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 3607766561 is about 60064.6864721693. The cubic root of 3607766561 is about 1533.7202192559.

The spelling of 3607766561 in words is "three billion, six hundred seven million, seven hundred sixty-six thousand, five hundred sixty-one".