5618998617 has 16 divisors (see below), whose sum is σ = 7866027840. Its totient is φ = 3562840512.

The previous prime is 5618998603. The next prime is 5618998633. The reversal of 5618998617 is 7168998165.

It is not a de Polignac number, because 5618998617 - 2²³ = 5610610009 is a prime.

It is a super-3 number, since 3×5618998617³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5618998667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476158 + ... + 487815.

It is an arithmetic number, because the mean of its divisors is an integer number (491626740).

Almost surely, 2^5618998617 is an apocalyptic number.

It is an amenable number.

5618998617 is a deficient number, since it is larger than the sum of its proper divisors (2247029223).

5618998617 is a wasteful number, since it uses less digits than its factorization.

5618998617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964072.

The product of its digits is 6531840, while the sum is 60.

The square root of 5618998617 is about 74959.9801027188. The cubic root of 5618998617 is about 1777.8139448361.

The spelling of 5618998617 in words is "five billion, six hundred eighteen million, nine hundred ninety-eight thousand, six hundred seventeen".