6658089165 has 128 divisors (see below), whose sum is σ = 14617236480. Its totient is φ = 2800106496.

The previous prime is 6658089161. The next prime is 6658089187. The reversal of 6658089165 is 5619808566.

It is a happy number.

It is not a de Polignac number, because 6658089165 - 2² = 6658089161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658089161) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4581579 + ... + 4583031.

It is an arithmetic number, because the mean of its divisors is an integer number (114197160).

Almost surely, 2^6658089165 is an apocalyptic number.

6658089165 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6658089165 is an abundant number, since it is smaller than the sum of its proper divisors (7959147315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6658089165 is a wasteful number, since it uses less digits than its factorization.

6658089165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 6658089165 is about 81597.1149306150. The cubic root of 6658089165 is about 1881.2645375271.

The spelling of 6658089165 in words is "six billion, six hundred fifty-eight million, eighty-nine thousand, one hundred sixty-five".