3608616663 has 20 divisors (see below), whose sum is σ = 5405708880. Its totient is φ = 2399023872.

The previous prime is 3608616643. The next prime is 3608616689. The reversal of 3608616663 is 3666168063.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3608616663 is a prime.

It is a super-2 number, since 2×3608616663² = 26044228440962511138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3608616643) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32970 + ... + 91127.

It is an arithmetic number, because the mean of its divisors is an integer number (270285444).

Almost surely, 2^3608616663 is an apocalyptic number.

3608616663 is a deficient number, since it is larger than the sum of its proper divisors (1797092217).

3608616663 is a wasteful number, since it uses less digits than its factorization.

3608616663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124468 (or 124459 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 3608616663 is about 60071.7626093991. The cubic root of 3608616663 is about 1533.8406738557.

The spelling of 3608616663 in words is "three billion, six hundred eight million, six hundred sixteen thousand, six hundred sixty-three".