6601516158 has 16 divisors (see below), whose sum is σ = 13298019840. Its totient is φ = 2184674136.

The previous prime is 6601516157. The next prime is 6601516183. The reversal of 6601516158 is 8516151066.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601516151) 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, 3956910 + ... + 3958577.

It is an arithmetic number, because the mean of its divisors is an integer number (831126240).

Almost surely, 2^6601516158 is an apocalyptic number.

6601516158 is an abundant number, since it is smaller than the sum of its proper divisors (6696503682).

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

6601516158 is a wasteful number, since it uses less digits than its factorization.

6601516158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7915631.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 6601516158 is about 81249.7148179611. The cubic root of 6601516158 is about 1875.9210794704.

The spelling of 6601516158 in words is "six billion, six hundred one million, five hundred sixteen thousand, one hundred fifty-eight".