5618668165 has 8 divisors (see below), whose sum is σ = 7355347488. Its totient is φ = 4086304080.

The previous prime is 5618668103. The next prime is 5618668169.

5618668165 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5618668165 - 2⁷ = 5618668037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618668169) 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, 51078747 + ... + 51078856.

It is an arithmetic number, because the mean of its divisors is an integer number (919418436).

Almost surely, 2^5618668165 is an apocalyptic number.

5618668165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5618668165 is a deficient number, since it is larger than the sum of its proper divisors (1736679323).

5618668165 is a wasteful number, since it uses less digits than its factorization.

5618668165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102157619.

The product of its digits is 2073600, while the sum is 52.

The square root of 5618668165 is about 74957.7758808251. The cubic root of 5618668165 is about 1777.7790932116.

The spelling of 5618668165 in words is "five billion, six hundred eighteen million, six hundred sixty-eight thousand, one hundred sixty-five".