5640168605 has 8 divisors (see below), whose sum is σ = 6769183200. Its totient is φ = 4511480976.

The previous prime is 5640168587. The next prime is 5640168619. The reversal of 5640168605 is 5068610465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5640168605 - 2¹⁰ = 5640167581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42035 + ... + 114224.

It is an arithmetic number, because the mean of its divisors is an integer number (846147900).

Almost surely, 2^5640168605 is an apocalyptic number.

It is an amenable number.

5640168605 is a deficient number, since it is larger than the sum of its proper divisors (1129014595).

5640168605 is a wasteful number, since it uses less digits than its factorization.

5640168605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163483.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 5640168605 is about 75101.0559512980. The cubic root of 5640168605 is about 1780.0438280880.

The spelling of 5640168605 in words is "five billion, six hundred forty million, one hundred sixty-eight thousand, six hundred five".