6661888230 has 32 divisors (see below), whose sum is σ = 16064322048. Its totient is φ = 1768082400.

The previous prime is 6661888229. The next prime is 6661888231. The reversal of 6661888230 is 328881666.

It is an interprime number because it is at equal distance from previous prime (6661888229) and next prime (6661888231).

It is a self number, because there is not a number n which added to its sum of digits gives 6661888230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661888231) 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, 519886 + ... + 532545.

It is an arithmetic number, because the mean of its divisors is an integer number (502010064).

Almost surely, 2^6661888230 is an apocalyptic number.

6661888230 is an abundant number, since it is smaller than the sum of its proper divisors (9402433818).

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

6661888230 is a wasteful number, since it uses less digits than its factorization.

6661888230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052652.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 6661888230 is about 81620.3910184214. The cubic root of 6661888230 is about 1881.6222821772.

The spelling of 6661888230 in words is "six billion, six hundred sixty-one million, eight hundred eighty-eight thousand, two hundred thirty".