669969300 has 576 divisors, whose sum is σ = 2743824384. Its totient is φ = 121651200.

The previous prime is 669969193. The next prime is 669969329. The reversal of 669969300 is 3969966.

669969300 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 669969300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6906852 + ... + 6906948.

It is an arithmetic number, because the mean of its divisors is an integer number (4763584).

Almost surely, 2^669969300 is an apocalyptic number.

669969300 is a gapful number since it is divisible by the number (60) 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 669969300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371912192).

669969300 is an abundant number, since it is smaller than the sum of its proper divisors (2073855084).

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

669969300 is a wasteful number, since it uses less digits than its factorization.

669969300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 48.

The square root of 669969300 is about 25883.7651820596. The cubic root of 669969300 is about 875.0206471318.

It can be divided in two parts, 669 and 969300, that added together give a palindrome (969969).

The spelling of 669969300 in words is "six hundred sixty-nine million, nine hundred sixty-nine thousand, three hundred".