669614088 has 256 divisors, whose sum is σ = 2177280000. Its totient is φ = 168284160.

The previous prime is 669614083. The next prime is 669614107. The reversal of 669614088 is 880416966.

It is not an unprimeable number, because it can be changed into a prime (669614081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1341663 + ... + 1342161.

It is an arithmetic number, because the mean of its divisors is an integer number (8505000).

Almost surely, 2^669614088 is an apocalyptic number.

669614088 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669614088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088640000).

669614088 is an abundant number, since it is smaller than the sum of its proper divisors (1507665912).

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

669614088 is a wasteful number, since it uses less digits than its factorization.

669614088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 669614088 is about 25876.9025967174. The cubic root of 669614088 is about 874.8659769694.

The spelling of 669614088 in words is "six hundred sixty-nine million, six hundred fourteen thousand, eighty-eight".