6659070918 has 16 divisors (see below), whose sum is σ = 14101562160. Its totient is φ = 2089120256.

The previous prime is 6659070881. The next prime is 6659070919. The reversal of 6659070918 is 8190709566.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6659070919) 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, 32642403 + ... + 32642606.

It is an arithmetic number, because the mean of its divisors is an integer number (881347635).

Almost surely, 2^6659070918 is an apocalyptic number.

6659070918 is an abundant number, since it is smaller than the sum of its proper divisors (7442491242).

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

6659070918 is a wasteful number, since it uses less digits than its factorization.

6659070918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65285031.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 6659070918 is about 81603.1305649483. The cubic root of 6659070918 is about 1881.3569988067.

The spelling of 6659070918 in words is "six billion, six hundred fifty-nine million, seventy thousand, nine hundred eighteen".