669052600 has 24 divisors (see below), whose sum is σ = 1555547760. Its totient is φ = 267620960.

The previous prime is 669052597. The next prime is 669052607. The reversal of 669052600 is 6250966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669052607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1672432 + ... + 1672831.

It is an arithmetic number, because the mean of its divisors is an integer number (64814490).

Almost surely, 2^669052600 is an apocalyptic number.

It is an amenable number.

669052600 is an abundant number, since it is smaller than the sum of its proper divisors (886495160).

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

669052600 is a wasteful number, since it uses less digits than its factorization.

669052600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345279 (or 3345270 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 669052600 is about 25866.0511095142. The cubic root of 669052600 is about 874.6213763244.

The spelling of 669052600 in words is "six hundred sixty-nine million, fifty-two thousand, six hundred".