5618161799 has 8 divisors (see below), whose sum is σ = 5634348720. Its totient is φ = 5601998016.

The previous prime is 5618161789. The next prime is 5618161877. The reversal of 5618161799 is 9971618165.

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 5618161799 - 2³² = 1323194503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5618161799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618161739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556307 + ... + 566315.

It is an arithmetic number, because the mean of its divisors is an integer number (704293590).

Almost surely, 2^5618161799 is an apocalyptic number.

5618161799 is a deficient number, since it is larger than the sum of its proper divisors (16186921).

5618161799 is a wasteful number, since it uses less digits than its factorization.

5618161799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11569.

The product of its digits is 816480, while the sum is 53.

The square root of 5618161799 is about 74954.3981297962. The cubic root of 5618161799 is about 1777.7256858971.

The spelling of 5618161799 in words is "five billion, six hundred eighteen million, one hundred sixty-one thousand, seven hundred ninety-nine".