6555799158 has 32 divisors (see below), whose sum is σ = 13738982400. Its totient is φ = 2081498496.

The previous prime is 6555799153. The next prime is 6555799163. The reversal of 6555799158 is 8519975556.

It is an interprime number because it is at equal distance from previous prime (6555799153) and next prime (6555799163).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555799153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66403 + ... + 132366.

It is an arithmetic number, because the mean of its divisors is an integer number (429343200).

Almost surely, 2^6555799158 is an apocalyptic number.

6555799158 is an abundant number, since it is smaller than the sum of its proper divisors (7183183242).

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

6555799158 is a wasteful number, since it uses less digits than its factorization.

6555799158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199036.

The product of its digits is 17010000, while the sum is 60.

The square root of 6555799158 is about 80967.8896723880. The cubic root of 6555799158 is about 1871.5806512149.

The spelling of 6555799158 in words is "six billion, five hundred fifty-five million, seven hundred ninety-nine thousand, one hundred fifty-eight".