3667033561 has 2 divisors, whose sum is σ = 3667033562. Its totient is φ = 3667033560.

The previous prime is 3667033529. The next prime is 3667033607. The reversal of 3667033561 is 1653307663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2094435225 + 1572598336 = 45765^2 + 39656^2 .

It is a cyclic number.

It is not a de Polignac number, because 3667033561 - 2⁵ = 3667033529 is a prime.

It is not a weakly prime, because it can be changed into another prime (3667033661) 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 as a sum of consecutive naturals, namely, 1833516780 + 1833516781.

It is an arithmetic number, because the mean of its divisors is an integer number (1833516781).

Almost surely, 2^3667033561 is an apocalyptic number.

It is an amenable number.

3667033561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667033561 is an equidigital number, since it uses as much as digits as its factorization.

3667033561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 40.

The square root of 3667033561 is about 60556.0365364181. The cubic root of 3667033561 is about 1542.0731006497.

The spelling of 3667033561 in words is "three billion, six hundred sixty-seven million, thirty-three thousand, five hundred sixty-one".