3615664667 has 2 divisors, whose sum is σ = 3615664668. Its totient is φ = 3615664666.

The previous prime is 3615664597. The next prime is 3615664687. The reversal of 3615664667 is 7664665163.

It is a happy number.

3615664667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3615664667 - 2²⁰ = 3614616091 is a prime.

It is not a weakly prime, because it can be changed into another prime (3615664687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1807832333 + 1807832334.

It is an arithmetic number, because the mean of its divisors is an integer number (1807832334).

Almost surely, 2^3615664667 is an apocalyptic number.

3615664667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3615664667 is an equidigital number, since it uses as much as digits as its factorization.

3615664667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 50.

The square root of 3615664667 is about 60130.3971964264. The cubic root of 3615664667 is about 1534.8386079507.

The spelling of 3615664667 in words is "three billion, six hundred fifteen million, six hundred sixty-four thousand, six hundred sixty-seven".